Dr Edward Narayan

Senior Lecturer

School of Agriculture and Food Sciences
Faculty of Science


Dr Narayan is Senior Lecturer of Animal Science in the School of Agriculture and Food Sciences. Edward graduated with PhD degree in Biology from the University of the South Pacific and pioneered non-invasive reproductive and stress endocrinology tools for amphibians - the novel development and validation of non-invasive enzyme immunoassays for the evaluation of reproductive hormonal cycle and stress hormone responses to environmental stressors. Dr Narayan was also recipient of Gold Medal Award for undergraduate Bachelor of Science degree from USP.

Dr Narayan leads the Stress Lab (Comparative Physiology and Endocrinology).



For post-doc Edward joined Griffith University, Queensland with a successful Vice-Chancellor's postdoctoral fellowship. Edward initiated an innovative long-term research program based on the Conservation Physiology of wildlife. Edward's dynamic career research platform is based on the thematic areas of comparative vertebrate physiology, stress endocrinology, reproductive endocrinology, animal health and welfare, and conservation biology.

Edward's research team comprising of supervised Honours, Masters and PhD students (and numerous student volunteers) have made significant new discoveries, including understanding the sub-clinical physiological impacts of the debilitating pathogenic disease (chytridiomycosis) on amphibians; the physiological impacts and fitness consequences of acute and chronic environmental stressors on amphibians.

Edward has also developed non-invasive stress hormone monitoring tools for marsupials such as the Koala, Woylie and the endangered Greater Bilby. Edward has also studied the stress physiology, health and welfare of Tigers in Australian and Indian Zoos.

He has extensive postdoctoral research fellowship training in institutions spanning 4 countries (New Zealand-Landcare Research), Australia (Griffith University), India (Australian Academy of Science Early Career Fellowship – University of Pune) and Canada (Department of Biomedical Sciences, University of Saskatchewan).

Edward has supervised 40 undergraduate special topics, Honours, Masters and PhD students in Australia and from overseas.

Edward has published over 60 peer-reviewed research in collaboration with researchers in Australia such as Murdoch University, University of Melbourne, Macquarie Uni, Deakin Uni and Griffith University, and internationally (USA, India, Canada and New Zealand). Edward also has active on-going research collaborations internationally (e.g. India, Argentina, Vietnam, Canada, Brazil, and USA).

Edward also provides consultation support based on Animal Welfare related work. He currently holds membership in the Endocrine Society of Australia, International Association of Stress Physiologists, Society for Experimental Biology, Australia & New Zealand Society for Comparative Physiology and Biochemistry and International Society for Wildlife Endocrinology.

Research Interests

  • Animal Welfare
  • Stress Physiology

Research Impacts

Agriculture Sector - Dr Narayan has cross sector network in primary industries through numerous national/international collaborations. For example, Institute of Tropical Agriculture and Food Security, University Putra Malaysia (see publication) and SARDI (South Australian Research Development and Innovation). Dr Narayan has attracted scholarship for undergraduate students through the Australian Wool Education Trust (AWET).

Environmental Sector - Dr Narayan has delivered public seminars at leading National Koala Rescue and Rehabilitation Clinics including Port Stephens Koalas, Friends of the Koala Ballina, and Port Macquarie Koala Hospital. Dr Narayan has active network with the Adelaide Koala and Wildlife Hospital. Current international networks with wildlife conservation and rehabilitation groups including Animals Asia, Wildlife Institute of India and International Funds for Animal Welfare (IFAW).

Zoo Programs: Dr Narayan is current individual member of the Zoos and Aquarium Association (ZAA) - Animal Welfare accreditation body for captive zoo facilities in Australasia. Through this role, Dr Narayan has provided research opportunities for numerous WSU project students and led consultancies to improve the husbandry and breeding program of captive Zoo animals (e.g. Australian marsupials, Big Cats and Saltwater crocodiles). Please see testimonials.

Science Education in Developing Pacific Island Countries: Dr Narayan actively networks with Pacific Island Countries especially through membership on the Pacific Invasives Partnership Initiative (PIP). Dr Narayan has actively shared research through seminars in all major Universities in Fiji Islands (University of the South Pacific and Fiji National University).

Media Engagement: Dr Narayan has actively participated in media interviews such as BBC Wildlife Magazine based on "Happiness in Wildlife", The Conversation and B-Lab Coats. Dr Narayan has also spoken to ABC Rural interviews on the topics of Animal Welfare of Livestock and Australian Mammals and particularly his research on Heat Stress Management in Sheep and Koala appeared on Australian Academy of Science extension videos and also in numerous local and international newspapers.


  • Doctor of Philosohy, University of South Pacific


View all Publications

Available Projects

View all Available Projects



Book Chapter

Journal Article

  • Narayan, Edward, Perakis, Annabella and Meikle, Will (2019) Using Thermal Imaging to Monitor Body Temperature of Koalas () in A Zoo Setting. Animals, 9 12: . doi:10.3390/ani9121094

  • Scherpenhuizen, J.M., Narayan, E.J. and Quinn, J.C. (2019) Timed environmental exposure indicates sample stability for reliable non-invasive measurement of faecal cortisol metabolite concentrations in sheep. Domestic Animal Endocrinology, 106423. doi:10.1016/j.domaniend.2019.106423

  • Narayan, Edward J., Forsburg, Zachery R., Davis, Drew R. and Gabor, Caitlin R. (2019) Non-invasive methods for measuring and monitoring stress physiology in imperiled amphibians. Frontiers in Ecology and Evolution, 7 . doi:10.3389/fevo.2019.00431

  • Combs, M. D., Edwards, S. H., Scherpenhuizen, J. M., Narayan, E. J., Kessell, A. E., Ramsay, J., Piltz, J., Raidal, S. R. and Quinn, J. C. (2019) Treatment with potassium bromide mitigates ataxia and reduces tremor in lambs with perennial ryegrass toxicosis. New Zealand Veterinary Journal, 67 6: 287-294. doi:10.1080/00480169.2019.1637300

  • Joshi, Amruta M., Narayan, Edward J. and Gramapurohit, Narahari Prabhakar (2019) Vocalisation and its association with androgens and corticosterone in a night frog (Nyctibatrachus humayuni) with unique breeding behaviour. Ethology, 125 11: 774-784. doi:10.1111/eth.12931

  • Brown, Peter, Tan, Aik-Choon, El-Esawi, Mohamed A., Liehr, Thomas, Blanck, Oliver, Gladue, Douglas P., Almeida, Gabriel M. F., Cernava, Tomislav, Sorzano, Carlos O., Yeung, Andy W. K., Engel, Michael S., Chandrasekaran, Arun Richard, Muth, Thilo, Staege, Martin S., Daulatabad, Swapna V., Widera, Darius, Zhang, Junpeng, Meule, Adrian, Honjo, Ken, Pourret, Olivier, Yin, Cong-Cong, Zhang, Zhongheng, Cascella, Marco, Flegel, Willy A., Goodyear, Carl S., van Raaij, Mark J., Bukowy-Bieryllo, Zuzanna, Campana, Luca G., Kurniawan, Nicholas A., Lalaouna, David, Huttner, Felix J., Ammerman, Brooke A., Ehret, Felix, Cobine, Paul A., Tan, Ene-Choo, Han, Hyemin, Xia, Wenfeng, McCrum, Christopher, Dings, Ruud P. M., Marinello, Francesco, Nilsson, Henrik, Nixon, Brett, Voskarides, Konstantinos, Yang, Long, Costa, Vincent D., Bengtsson-Palme, Johan, Bradshaw, William, Grimm, Dominik G., Kumar, Nitin, Martis, Elvis, Prieto, Daniel, Sabnis, Sandeep C., Amer, Said E. D. R., Liew, Alan W. 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W., Bijleveld, Erik, Bittner, Florian, Blombach, Fabian, Van den Bos, Wouter, Boudreau, Shellie A., Bramoweth, Adam D., Braubach, Oliver, Cai, Yufeng, Campbell, Matthew, Cao, Zanxia, Catry, Thibault, Chen, Xin, Cheng, Shuiqin, Chung, Hee-Jung, Chavez-Fumagalli, Miguel A., Conway, Aaron, Costa, Bruno M., Cyr, Normand, Dean, Lorraine T., Denzel, Martin S., Dlamini, S. V., Dudley, Kevin J., Dufies, Maeva, Ecke, Thorsten, Eckweiler, Denitsa, Eixarch, Elisenda, El-Adawy, Hosny, Emmrich, Julius V., Eustace, Alex J., Falter-Wagner, Christine M., Fuss, Johannes, Gao, Jianzhao, Gill, Martin R., Gloyn, Liz, Goggs, Robert, Govinden, Usha, Greene, Garrett, Greiff, Victor, Grundle, D. S., Gruneberg, Patrick, Gumede, Nicksy, Haore, Gbaguidi, Harrison, Pille, Hoenner, Xavier, Hojsgaard, Diego, Hori, Hikaru, Ikonomopoulou, Maria P., Jeurissen, Patrick, Johnson, Daniel M., Kabra, Dhiraj, Kamagata, Koji, Karmakar, Chandan, Kasian, Olga, Kaye, Linda K., Khan, Murad M., Kim, Yong-Min, Kish, J. K., Kobold, Sebastian, Kohanbash, Gary, Kohls, Gregor, Kugler, Jan-Michael, Kumar, Gyanendra, Lacy-Colson, Jon, Latif, Asam, Lauschke, Volker M., Li, Bingling, Lim, Chinten J., Liu, Fang, Liu, Xiaodong, Lu, Jin-Jian, Lu, Qiang, Mahavadi, Poornima, Marzocchi, Ugo, McGarrigle, Christine A., van Meerten, Tom, Min, Rogier, Moal, Iain, Molari, Massimiliano, Molleman, Lucas, Mondal, Saiful R., Van de Mortel, Thea, Moss, W. N., Moultos, Othonas A., Mukherjee, Maheswari, Nakayama, Kazuhiko, Narayan, Edward, Navaratnarajah,, Neumann, Philipp-Alexander, Nie, Jiyun, Nie, Yingjiu, Niemeyer, Frank, Fiona,, Nwaiwu, Ogueri, Oldenmenger, Wendy H., Olumayede, Emmanuel, Ou, Jianhong, Pallebage-Gamarallage, Menuka, Pearce, Simon P., Pelkonen, Tuula, Pelleri, Maria C., Pereira, Joana L., Pheko, Mpho, Pinto, Karina A., Piovesan, Allison, Pluess, Michael, Podolsky, Illya M., Prescott, Julie, Qi, Dongchen, Qi, Xingshun, Raikou, Vaia D., Ranft, Andreas, Rhodes, Johanna, Rotge, Jean-Yves, Rowe, Anna D., Saggar, Manish, Schuon, Robert A., Shahid, Shaouli, Shalchyan, Vahid, Shirvalkar, Prasad, Shiryayev, Oleg, Singh, Jugpreet, Smout, Michael J., Soares, Antonio, Song, Chunjiao, Srivastava, Kshitij, Srivastava, Rupesh K., Sun, Jim, Szabo, Attila, Szymanski, Wiktor, Tai, Chan N. P., Takeuchi, Hisashi, Tanadini-Lang, S., Tang, Fei, Tao, Wanyin, Theron, G., Tian, Chang F., Tian, Yu-Shi, Tuttle, Lisa M., Valenti, Anna, Verlot, Pierre, Walker, Mirella, Wang, Jun, Welter, Danielle, Winslade, Matthew, Wu, Dalei, Wu, Yi-Rui, Xiao, Han, Xu, Beisi, Xu, Juan, Xu, Ziyue, Yang, Dongdong, Yang, Mingjun, Yankilevich, Patricio, You, Yuyi, Yu, Chenglong, Zhan, Jian, Zhang, Gong, Zhang, Kai, Zhang, Tuo, Zhang, Yi, Zhao, Guoyan, Zhao, Jing, Zhou, Xiaofan, Zhu, Zhenxing, Ajani, Penelope A., Anazodo, Udunna C., Bagloee, Saeed A., Bail, Kasia, Bar, Ido, Bathelt, Joe, Benkeser, David, Bernier, Meghan L., Blanchard, Adam M., Boakye, Dominic W., Bonatsos, Vasileios, Boon, Michele H., Bouboulis, George, Bromfield, Elizabeth, Brown, Joshua, Bul, Kim C. M., Burton, Kathryn J., Butkowski, Eugene G., Carroll, Grace, Chao, Fengqing, Charrier, Elisabeth E., Chen, Xiaoyin, Chen, Yu-Chih, Chenguang,, Choi, Jane R., Christoffersen, Tore, Comel, Joao C., Cosse, Cyril, Cui, Yanru, van Dessel, Pieter, Dhaval,, Diodato, Daria, Duffey, Maelle, Dutt, Avik, Egea, Luis G., El-Said, Mohammed, Faye, Martin, Fernandez-Fernandez, Beatriz, Foley, Kieran G., Founou, Luria L., Fu, Fan, Gadelkareem, Rabea A., Galimov, Evgeny, Garip, Gulcan, Gemmill, Alison, Gouil, Quentin, Grey, James, Gridneva, Zoya, Grothe, Michel J., Grebert, Theophile, Guerrero, Fabricio, Guignard, Leo, Haenssgen, Marco J., Hasler, David, Holgate, Joan Y., Huang, Ancheng, Hulse-Kemp, Amanda M., Jean-Quartier, Claire, Jeon, Sang-Min, Jia, Yangyang, Jutzeler, Catherine, Kalatzis, Panagiotis, Karim, Masud, Karsay, Kathrin, Keitel, Anne, Kempe, Andreas, Keown, Jeremy R., Khoo, Chin M., Khwaja, Nyil, Kievit, Rogier A., Kosanic, Aleksandra, Koutoukidis, Dimitrios A., Kramer, Paul, Kumar, Dilip, Kirag, Nukhet, Lanza, Giuseppe, Le, Thuc D., Leem, Jung W., Leightley, Daniel, Leite, Andreia, Lercher, Lukas, Li, Ying, Lim, Renly, Lima, Luiz R. A., Lin, Li, Ling, Tong, Liu, Yuchen, Liu, Zhonghua, Lu, Yao, Lum, Fok M., Luo, Hang, Machhi, Jatin, Macleod, Angus, Macwan, Isaac, Madala, Hanumantha R., Madani, Nima, de Maio, Nicola, Makowiecki, Kalina, Mallinson, Daniel J., Margelyte, Ruta, Maria, Caracausi, Markonis, Y., Marsili, Luca, Mavoa, Suzanne, McWilliams, Lorna, Megersa, Moa, Mendes, Caetano S. M., Menichetti, Julia, Mercieca-Bebber, Rebecca, Miller, Jack J., Minde, David-Paul M., Minges, Alexander, Mishra, Eleanor, Mishra, Virendra R., Moores, Carly, Morrice, Nicola, Moskalensky, Alexander E., Navarin, Nicolo, Negera, Edessa, Nolet, Philippe, Nordberg, Ana, Norden, Rickard, Nowicki, Jessica P., Olova, Nelly, Olszewski, Pawel, Onzima, Robert, Pan, Chih-Long, Park, Charny, Park, Dong Ik, Park, Seyoung, Patil, Chandrashekhar D., Pedro, Sansoa A., Perry, Samuel R., Peter, Jessica, Peterson, Brent M., Pezzuolo, Andrea, Pozdnyakov, Ilya, Qian, Siyu, Qin, Lei, Rafe, Ali, Raote, Ishier, Raza, Ali, Rebl, Henrike, Refai, Osama, Regan, Tim, Richa, Tambi, Richardson, Mark F., Robinson, K. R., Rossoni, Luca, Rouet, Romain, Safaei, Soroush, Schneeberger, Pierre H. H., Schwotzer, Daniela, Sebastian, Agata, Selinski, Jennifer, Seltmann, Stefanie, Sha, Feng, Shalev, Nir, Shang, Jin-Long, Singer, Josef, Singh, Mandeep, Smith, Taylor, Solomon-Moore, Emma, Song, Lijuan, Soraggi, Samuele, Stanley, Ryan, Steckhan, Nico, Strobl, Frederic, Subissi, Lorenzo, Supriyanto, Irwan, Surve, Chinmay R., Suzuki, Tomo, Syme, Caitlin, Sorelius, Karl, Tang, Young, Tantawy, Marwa, Tennakoon, Sumudu, Teseo, Serafino, Toelzer, Christine, Tomov, Nikola, Tovar, Miguel, Tran, Linh, Tripathi, Sushil, Tuladhar, Anil M., Ukubuiwe, Azubuike C., Ung, Carolina O. L., Valgepea, Kaspar, Vatanparast, Hamid, Vidal, Arnau, Wang, Fang, Wang, Qing, Watari, Ricky, Webster, Rebecca, Webster, Ruth, Wei, Junnian, Wibowo, David, Wingenbach, Tanja S. H., Xavier, Rose M., Xiao, Shumin, Xiong, Peng, Xu, Shicai, Xu, Shilin, Yao, Ruifeng, Yao, Wen, Yin, Qinan, Yu, Yongbo, Zaitsu, Masayoshi, Zeineb, Zian, Zhan, Xiao-Yong, Zhang, Jilei, Zhang, Rongqiang, Zhang, Wei, Zhang, Xianglilan, Zheng, Shan, Zhou, Bailing, Zhou, Xiaoyan, Ahmad, Haroon, Akinwumi, Sayo A., Albery, Gregory F., Alhowimel, Ahmed, Ali, Junaid, Alshehri, Mansour, Alsuhaibani, Mohammed, Anikin, Andrey, Azubuike, Samuel O., Bach-Mortensen, Anders, Baltiansky, Lior, Bartas, Martin, Belachew, Kiflemariam Y., Bhardwaj, Vivek, Binder, Karin, Bland, Nicholas S., Boah, Michael, Bullen, Benjamin, Calabro, Giovanna E., Callahan, Tiffany J., Cao, Bing, Chalmers, Kelsey, Chang, Wei, Che, Zhengping, Chen, Andrew T. Y., Chen, Haimin, Chen, Huaming, Chen, Youning, Chen, Zhao, Choi, YoungRok, Chowdhury, Mohiuddin A. K., Christensen, Martin R., Cooke, Robert S. C., Cottini, Marzia, Covington, Natalie V., Cunningham, Catriona, Delarocque, Julien, Devos, Lucie, Dhar, Aurup R., Ding, Ke-Feng, Dong, Kexian, Dong, Zheng, Dreyer, Niklas, Ekstrand, Chelsea, Fardet, Tanguy, Feleke, Berhanu E., Feurer, Thomas, Freitas, Angela, Gao, Tian, Asefa, N. G., Giganti, Francesco, Grabowski, Piotr, Guerra-Mora, Jose R., Guo, Chengying, Guo, Xinyi, Gupta, Himanshu, He, Shuonan, Heijne, Marloes, Heinemann, Stephanie, Hogrebe, Alexander, Huang, Zhengping, Iskander-Rizk, Sophinese, Iyer, Lavanya M., Jahan, Yasmin, James, Ameh S., Joel, Emmanuel, Joffroy, Bastian, Jegousse, Clara, Kambondo, George, Karnati, Priyanka, Kaya, Cihan, Ke, An, Kelly, Daniel, Kickert, Rob, Kidibule, Peter E., Kieselmann, Jennifer P., Kim, Hyeon J., Kitazawa, Takeshi, Lamberts, Aniek, Li, You, Liang, Huakang, Linn, Sabrina N., Litfin, Thomas, Liusuo, Wang, Lygirou, Vasiliki, Mahato, Ajay K., Mai, Zhi-Ming, Major, Rupert W., Mali, Samira, Mallis, Panagiotis, Mao, Wenzhi, Mao, Wenzhi, Marvin-Dowle, Katie, Marvin-Dowle, Katie, Mason, Leanda D., Merideth, Ben, Merino-Plaza, Maria J., Merlaen, Britt, Messina, Rossella, Mishra, Anand K., Muhammad, Junaid, Musinguzi, Conrad, Nanou, Afroditi, Naqash, Amreen, Nguyen, Joe T., Nguyen, Thi T. H., Ni, Duan, Nida,, Notcovich, Shirli, Ohst, Barnabas, Ollivier, Quinn R., Osses, Daniel F., Peng, Xiangda, Plantinga, Arnoud, Pulia, Michael, Rafiq, Muhammad, Raman, Ayush, Raucher-Chene, Delphine, Rawski, Rafal, Ray, Asit, Razak, Lubna A., Rudolf, Kevin, Rusch, Peter, Sadoine, Margaux L., Schmidt, Axel, Schurr, Roey, Searles, Stephen, Sharma, Saurab, Sheehan, Barry, Shi, Chunhu, Shohayeb, Belal, Sommerlad, Andrew, Strehlow, Jan, Sun, Xianbao, Sundar, Raghav, Taherzadeh, Ghazaleh, Tahir, Nur D. M., Tang, Jun, Testa, Jean, Tian, Zhiqi, Tingting, Qian, Verheijen, Geert P., Vickstrom, Casey, Wang, Teng, Wang, Xiaomin, Wang, Zhenxing, Wei, Pan, Wilson, Alex, Wyart,, Yassine, Abdul-Amir, Yousefzadeh, Abbas, Zare, Asma, Zeng, Zhen, Zhang, Chengrong, Zhang, Haowen, Zhang, Linxing, Zhang, Tongchuan, Zhang, Weijia, Zhang, Zhe, Zhou, Jianyu, Zhu, Dongjie, Adamo, Vincenzo, Adeyemo, Adebolajo A., Aggelidou, Maria, Al-Owaifeer, Adi M., Al-Riyami, Arwa Z., Alzghari, Saeed K., Andersen, Vibeke, Angus, Kathryn, Asaduzzaman, Muhammad, Asady, Hadi, Ato, Dai, Bai, Xiaoyong, Baines, Rebecca L., Ballantyne, Maghan, Ban, Bo, Beck, Jill, Ben-Nafa, Walid, Black, Emma, Blancher, Antoine, Blankstein, Ron, Bodagh, Neil, Borges, Paulo A. V., Brooks, Anastasia, Brox-Ponce, Josue, Brunetti, Arturo, Canham, Colin D., Carninci, Piero, Carvajal, Richard, Chang, Shun C., Chao, Jie, Chatterjee, Pranab, Chen, He, Chen, Yi-Chun, Chhatriwalla, Adnan K., Chikowe, Ibrahim, Chuang, Trees-Juen, Collevatti, Rosane G., Valera-Cornejo, Diego A., Cuenda, Ana, Dao, Myriam, Dauga, Delphine, Deng, Zaian, Devkota, Kiran, Doan, Lisa V., Elewa, Yaser H. A., Fan, Dongsheng, Faruk, Mohammed, Feifei, Shi, Ferguson, Trevor S., Fleres, Francesco, Foster, Emma J., Foster, C. Stephen, Furer, Tzvi, Gao, Yibo, Garcia-Rivera, Enid J., Gazdar, Adi, George, Ronald B., Ghosh, Sayantan, Gianchecchi, Elena, Gleason, Joshua M., Hackshaw, Allan, Hall, Adam, Hall, Richard, Harper, Paul, Hogg, William E., Huang, Guangqun, Hunter, Kylie E., IJzerman, Adriaan P., Jesus, Carlos, Jian, Gao, Lewis, James S., Kanj, Souha S., Kaur, Harsheen, Kelly, Shona, Kheir, Fayez, Kichatova, V. S., Kiyani, Musa, Klein, Reinhild, Kovesi, Tom, Kraschnewski, Jennifer L., Kumar, Addanki P., Labutin, Dmitry, Lazo-Langner, Alejandro, Leclercq, Guy, Li, Maoteng, Li, Qingchun, Li, Tangliang, Li, Yongzhe, Liao, Wei-Ting, Liao, Zheng-yin, Lin, Jessica, Lizer, J., Lobreglio, Giambattista, Lowies, Cher, Lu, Cheng, Majeed, Haroon, Martin, Adam, Martinez-Sobrido, Luis, Meresh, Edwin, Middelveen, Marianne, Mohebbi, Alireza, Mota, Jorge, Mozaheb, Zahra, Muyaya, Ley, Nandhakumar, Amar, Ng, Sheryl H. X., Obeidat, Monther, Oh, Deog-Hwan, Owais, Mohammed, Pace-Asciak, Pia, Panwar, Ajay, Park, Caroline, Patterson, Chris, Penagos-Tabaree, Felipe, Pianosi, Paolo T., Pinzi, Valentina, Pridans, Clare, Psaroulaki, Anna, Pujala, Ravi Kumar, Pulido-Arjona, Leonardo, Qi, Peng-Fei, Rahman, Proton, Rai, Nayanjot K., Rassaf, Tienush, Refardt, Julie, Ricciardi, Walter, Riess, Olaf, Rovas, Alexandros, Sacks, Frank M., Saleh, Sherif, Sampson, Christopher, Schmutz, Axel, Sepanski, Robert, Sharma, Neeraj, Singh, Manisha, Spearman, Paul, Subramaniapillai, Mehala, Swali, Ritu, Tan, Cher M., Tellechea, Juan I., Thomas, Lisa-Marie, Tong, Xin, Veys, Ralf, Vitriol, Veronica, Wang, Horng-Dar, Wang, Jinhui, Wang, Jiucun, Waugh, Jason, Webb, S. A., Williams, Brendan A., Workman, Alan D., Xiang, Tingxiu, Xie, Li-Xin, Xu, Jun, Xu, Taosheng, Yang, Chongjun, Yoon, Jihoon G., Yuan, Christina M., Zaritsky, Arno, Zhang, Yao, Zhao, Haochen, Zuckerman, Hannah, Lyu, Ran, Pullan, Wayne and Zhou, Yaoqi (2019) Large expert-curated database for benchmarking document similarity detection in biomedical literature search. Database-The Journal of Biological Databases and Curation, . doi:10.1093/database/baz085

  • Tort, Lluis, Cockrem, John F. and Narayan, Edward J. (2019) Editorial: comparative endocrine stress responses in vertebrates. Frontiers in Endocrinology, 10 SEP: . doi:10.3389/fendo.2019.00652

  • Charalambous, Renae and Narayan, Edward (2019) Cortisol measurement in koala (Phascolarctos cinereus) fur. Journal of Visualized Experiments, 2019 150: e59216. doi:10.3791/59216

  • Narayan, Edward J. and Gramapurohit, Narahari P. (2019) Urinary corticosterone metabolite responses to capture Herpetological Society and visual elastomer tagging in the Asian toad (Duttaphrynus melanostictus). Herpetological Journal, 29 3: 179-183. doi:10.33256/hj29.3.179183

  • Narayan, Edward J. and Gramapurohit, Narahari P. (2019) Urinary corticosterone metabolite responses to capture and visual elastomer tagging in the Asian toad (Duttaphrynus melanostictus). Herpetological Journal, 29 3: 179-183. doi:10.33256/hj29.3.179183

  • Narayan, Edward (2019) Physiological stress levels in wild koala sub-populations facing anthropogenic induced environmental trauma and disease. Scientific Reports, 9 6031. doi:10.1038/s41598-019-42448-8

  • Sawyer, Gregory, Webster, Danielle and Narayan, Edward (2019) Measuring wool cortisol and progesterone levels in breeding maiden Australian merino sheep (Ovis aries). PLoS ONE, 14 4: e0214734. doi:10.1371/journal.pone.0214734

  • Martin, Lynn B., Addison, BriAnne, Bean, Andrew G.D., Buchanan, Katherine L., Crino, Ondi L., Eastwood, Justin R., Flies, Andrew S., Hamede, Rodrigo, Hill, Geoffrey E., Klaassen, Marcel, Koch, Rebecca E., Martens, Johanne M., Napolitano, Constanza, Narayan, Edward J., Peacock, Lee, Peel, Alison J., Peters, Anne, Raven, Nynke, Risely, Alice, Roast, Michael J., Rollins, Lee A., Ruiz-Aravena, Manuel, Selechnik, Dan, Stokes, Helena S., Ujvari, Beata and Grogan, Laura F. (2019) Extreme competence: keystone hosts of infections. Trends in Ecology and Evolution, 34 4: 303-314. doi:10.1016/j.tree.2018.12.009

  • Narayan, Edward and Vanderneut, Tayla (2019) Physiological stress in rescued wild koalas are influenced by habitat demographics, environmental stressors, and clinical intervention. Frontiers in Endocrinology, 10 18. doi:10.3389/fendo.2019.00018

  • Combs, M. D., Edwards, S. H., Scherpenhuizen, J. M., Narayan, E. J., Kessell, A. E., Piltz, J., Raidal, S. R., Ramsay, J. and Quinn, J. C. (2018) Development of a model for investigation of perennial ryegrass toxicosis in sheep. New Zealand Veterinary Journal, 66 6: 281-289. doi:10.1080/00480169.2018.1492986

  • Narayan, E., Willis, A., Thompson, R., Hunter-Ishikawa, M. and Bendixsen, T. (2018) Evaluating physiological stress in Asiatic black bears (Ursus thibetanus) rescued from bile farms in Vietnam. Animal Welfare, 27 4: 295-303. doi:10.7120/09627286.27.4.295

  • Jessop, Tim S., Lane, Meagan, Wilson, Robbie S. and Narayan, Edward J. (2018) Testing for short- and long-term thermal plasticity in corticosterone responses of an ectothermic vertebrate. Physiological and Biochemical Zoology, 91 4: 967-975. doi:10.1086/698664

  • Bello, Alhassan Usman, Idrus, Zulkifli, Meng, Goh Yong, Narayan, Edward J. and Farjam, Abdoreza Soleimani (2018) Dose-response relationship of tryptophan with large neutral amino acids, and its impact on physiological responses in the chick model. General and Comparative Endocrinology, 260 146-150. doi:10.1016/j.ygcen.2018.01.012

  • Joshi, A. M., Narayan, E. J. and Gramapurohit, N. P. (2018) Interrelationship among annual cycles of sex steroids, corticosterone and body condition in Nyctibatrachus humayuni. General and Comparative Endocrinology, 260 151-160. doi:10.1016/j.ygcen.2018.01.013

  • Old, J. M., Sengupta, C., Narayan, E. and Wolfenden, J. (2018) Sarcoptic mange in wombats: a review and future research directions. Transboundary and Emerging Diseases, 65 2: 399-407. doi:10.1111/tbed.12770

  • Narayan, Edward, Sawyer, Gregory and Parisella, Simone (2018) Faecal glucocorticoid metabolites and body temperature in Australian merino ewes (Ovis aries) during summer artificial insemination (AI) program. PLoS ONE, 13 1: e0191961. doi:10.1371/journal.pone.0191961

  • Narayan, Edward and Parisella, Simone (2017) Influences of the stress endocrine system on the reproductive endocrine axis in sheep (Ovis aries). Italian Journal of Animal Science, 16 4: 640-651. doi:10.1080/1828051X.2017.1321972

  • Joshi, A. M., Narayan, E. J. and Gramapurohit, N. P. (2017) Interrelationship among steroid hormones, energetics and vocalisation in the Bombay night frog (Nyctibatrachus humayuni). General and Comparative Endocrinology, 246 142-149. doi:10.1016/j.ygcen.2016.12.003

  • Hing, S., Narayan, E. J., Thompson, R. C.A. and Godfrey, S. S. (2017) Identifying factors that influence stress physiology of the woylie, a critically endangered marsupial. Journal of Zoology, 302 1: 49-56. doi:10.1111/jzo.12428

  • Vaz, Janice, Narayan, Edward J., Kumar, R. Dileep, Thenmozhi, K., Thiyagesan, Krishnamoorthy and Baskaran, Nagarajan (2017) Prevalence and determinants of stereotypic behaviours and physiological stress among tigers and leopards in Indian zoos. PLoS ONE, 12 4: e0174711. doi:10.1371/journal.pone.0174711

  • Narayan, Edward J. (2017) Evaluation of physiological stress in Australian wildlife: embracing pioneering and current knowledge as a guide to future research directions. General and Comparative Endocrinology, 244 30-39. doi:10.1016/j.ygcen.2015.12.008

  • Webster, Koa, Narayan, Edward and de Vos, Nicholas (2017) Fecal glucocorticoid metabolite response of captive koalas (Phascolarctos cinereus) to visitor encounters. General and Comparative Endocrinology, 244 157-163. doi:10.1016/j.ygcen.2016.07.012

  • Fanson, Kerry V., Best, Emily C., Bunce, Ashley, Fanson, Benjamin G., Hogan, Lindsay A., Keeley, Tamara, Narayan, Edward J., Palme, Rupert, Parrott, Marissa L., Sharp, Trudy M., Skogvold, Kim, Tuthill, Lisa, Webster, Koa N. and Bashaw, Meredith (2017) One size does not fit all: monitoring faecal glucocorticoid metabolites in marsupials. General and Comparative Endocrinology, 244 3: 146-156. doi:10.1016/j.ygcen.2015.10.011

  • Hing, Stephanie, Northover, Amy S., Narayan, Edward J., Wayne, Adrian F., Jones, Krista L., Keatley, Sarah, Thompson, R. C. Andrew and Godfrey, Stephanie S. (2017) Evaluating stress physiology and parasite infection parameters in the translocation of critically endangered woylies (Bettongia penicillata). EcoHealth, 14 128-138. doi:10.1007/s10393-017-1214-4

  • Kindermann, Christina, Narayan, Edward J. and Hero, Jean-Marc (2017) Does physiological response to disease incur cost to reproductive ecology in a sexually dichromatic amphibian species?. Comparative Biochemistry and Physiology. Part A: Molecular and Integrative Physiology, 203 220-226. doi:10.1016/j.cbpa.2016.09.019

  • Hing, Stephanie, Currie, Andrew, Broomfield, Steven, Keatley, Sarah, Jones, Krista, Thompson, R.C. Andrew, Narayan, Edward and Godfrey, Stephanie S. (2016) Host stress physiology and Trypanosoma haemoparasite infection influence innate immunity in the woylie (Bettongia penicillata). Comparative Immunology, Microbiology and Infectious Diseases, 46 32-39. doi:10.1016/j.cimid.2016.04.005

  • Hing, Stephanie, Narayan, Edward J., Thompson, R. C. Andrew and Godfrey, Stephanie S. (2016) The relationship between physiological stress and wildlife disease: consequences for health and conservation. Wildlife Research, 43 1: 51-60. doi:10.1071/WR15183

  • Narayan, Edward J. and Gramapurohit, Narahari P. (2016) Sexual dimorphism in baseline urinary corticosterone metabolites and their association with body-condition indices in a peri-urban population of the common Asian toad (Duttaphrynus melanostictus). Comparative Biochemistry and Physiology. Part A: Molecular and Integrative Physiology, 191 174-179. doi:10.1016/j.cbpa.2015.10.016

  • Narayan, Edward J. and Williams, Michelle (2016) Understanding the dynamics of physiological impacts of environmental stressors on Australian marsupials, focus on the koala (Phascolarctos cinereus). BMC Zoology, 1 1: . doi:10.1186/s40850-016-0004-8

  • Hing, Stephanie, Jones, Krista L., Rafferty, Christine, Thompson, R. C. Andrew, Narayan, Edward J. and Godfrey, Stephanie S. (2016) Wildlife in the line of fire: evaluating the stress physiology of a critically endangered Australian marsupial after bushfire. Australian Journal of Zoology, 64 6: 385-389. doi:10.1071/ZO16082

  • Parnell, Tempe, Narayan, Edward J., Nicolson, Vere, Martin-Vegue, Patrick, Mucci, Al and Hero, Jean-Marc (2015) Maximizing the reliability of non-invasive endocrine sampling in the tiger (Panthera tigris): environmental decay and intra-sample variation in faecal glucocorticoid metabolites. Conservation Physiology, 3 cov053. doi:10.1093/conphys/cov053

  • Narayan, Edward J., Jessop, Tim S. and Hero, Jean-Marc (2015) Invasive cane toad triggers chronic physiological stress and decreased reproductive success in an island endemic. Functional Ecology, 29 11: 1435-1444. doi:10.1111/1365-2435.12446

  • Jessop, Tim S., Anson, Jennifer R., Narayan, Edward and Lockwood, Tim (2015) An introduced competitor elevates corticosterone responses of a Native Lizard (Varanus varius). Physiological and Biochemical Zoology, 88 3: 237-245. doi:10.1086/680689

  • Kindermann, Christina, Narayan, Edward J. and Hero, Jean-Marc (2014) The neuro-hormonal control of rapid dynamic skin colour change in an amphibian during amplexus. PLoS ONE, 9 12: e114120. doi:10.1371/journal.pone.0114120

  • Narayan, Edward J., Evans, Nicole and Hero, Jean-Marc (2014) Monitoring physiological stress in semi-free ranging populations of an endangered Australian marsupial, the Greater Bilby (Macrotis lagotis). European Journal of Wildlife Research, 60 5: 727-735. doi:10.1007/s10344-014-0842-z

  • Narayan, Edward J. and Hero, Jean-Marc (2014) Repeated thermal stressor causes chronic elevation of baseline corticosterone and suppresses the physiological endocrine sensitivity to acute stressor in the cane toad (Rhinella marina). Journal of Thermal Biology, 41 72-76. doi:10.1016/j.jtherbio.2014.02.011

  • Narayan, Edward J., Graham, Clara, McCallum, Hamish and Hero, Jean-Marc (2014) Over-wintering tadpoles of Mixophyes fasciolatus act as reservoir host for Batrachochytrium dendrobatidis. PLoS ONE, 9 3: e92499. doi:10.1371/journal.pone.0092499

  • Narayan, Edward J. and Hero, Jean-Marc (2014) Acute thermal stressor increases glucocorticoid response but minimizes testosterone and locomotor performance in the cane toad (Rhinella marina). PLoS ONE, 9 3: e92090. doi:10.1371/journal.pone.0092090

  • Narayan, Edward (2014) Laboratory validation of enzyme-immunoassays for the non-invasive quantification of reproductive and stress hormone in amphibians. Protocol Exchange, . doi:10.1038/protex.2014.009

  • Hing, Stephanie, Narayan, Edward, Thompson, R.C. Andrew and Godfrey, Stephanie (2014) A review of factors influencing the stress response in Australian marsupials. Conservation Physiology, 2 1: cou027. doi:10.1093/conphys/cou027

  • Parnell, Tempe, Narayan, Edward J., Magrath, Michael J.L., Roe, Sheila, Clark, Giles, Nicolson, Vere, Martin-Vegue, Patrick, Mucci, Al and Hero, Jean-Marc (2014) Evaluating physiological stress in Sumatran tigers (Panthera tigris ssp. sumatrae) managed in Australian zoos. Conservation Physiology, 2 1: . doi:10.1093/conphys/cou038

  • Evans, Nicole, Narayan, Edward J. and Hero, Jean-Marc (2013) Effects of natural weathering conditions on faecal cortisol metabolite measurements in the greater bilby (Macrotis lagotis). Australian Journal of Zoology, 61 5: 351-356. doi:10.1071/ZO13032

  • Narayan, Edward J., Parnell, Tempe, Clark, Giles, Martin-Vegue, Patrick, Mucci, Al and Hero, Jean-Marc (2013) Faecal cortisol metabolites in Bengal (Panthera tigris tigris) and Sumatran tigers (Panthera tigris sumatrae). General and Comparative Endocrinology, 194 318-325. doi:10.1016/j.ygcen.2013.10.002

  • Narayan, Edward J. and Hero, Jean-Marc (2013) Repeatability of baseline corticosterone and acute stress responses to capture, and patterns of reproductive hormones in vitellogenic and non-vitellogenic female fijian ground frog (platymantis vitiana). Journal of Experimental Zoology Part A: Ecological Genetics and Physiology, 319 8: 471-481. doi:10.1002/jez.1810

  • Narayan, Edward J., Cockrem, John and Hero, Jean-Marc (2013) Changes in serum and urinary corticosterone and testosterone during short-term capture and handling in the cane toad (Rhinella marina). General and Comparative Endocrinology, 191 225-230. doi:10.1016/j.ygcen.2013.06.018

  • Graham, Clara M., Narayan, Edward J., McCallum, Hamish and Hero, Jean-Marc (2013) Non-invasive monitoring of glucocorticoid physiology within highland and lowland populations of native Australian Great Barred Frog (Mixophyes fasciolatus). General and Comparative Endocrinology, 191 24-30. doi:10.1016/j.ygcen.2013.05.012

  • Narayan, Edward J., Cockrem, John F. and Hero, Jean-Marc (2013) Sight of a predator induces a corticosterone stress response and generates fear in an amphibian. PLoS One, 8 8: . doi:10.1371/journal.pone.0073564

  • Narayan, Edward J., Webster, Koa, Nicolson, Vere, Mucci, Al and Hero, Jean-Marc (2013) Non-invasive evaluation of physiological stress in an iconic Australian marsupial: The Koala (Phascolarctos cinereus). General and Comparative Endocrinology, 187 39-47. doi:10.1016/j.ygcen.2013.03.021

  • Narayan, Edward J., Cockrem, John F. and Hero, Jean-Marc (2013) Repeatability of baseline corticosterone and short-term corticosterone stress responses, and their correlation with testosterone and body condition in a terrestrial breeding anuran (Platymantis vitiana). Comparative Biochemistry and Physiology - A Molecular and Integrative Physiology, 165 2: 304-312. doi:10.1016/j.cbpa.2013.03.033

  • Kindermann, Christina, Narayan, Edward J., Wild, Francis, Wild, Clyde H. and Hero, Jean-Marc (2013) The effect of stress and stress hormones on dynamic colour-change in a sexually dichromatic Australian frog. Comparative Biochemistry and Physiology - A Molecular and Integrative Physiology, 165 2: 223-227. doi:10.1016/j.cbpa.2013.03.011

  • Narayan, Edward J., Cockrem, John F. and Hero, Jean-Marc (2013) Are baseline and short-term corticosterone stress responses in free-living amphibians repeatable?. Comparative Biochemistry and Physiology. Part A: Molecular and Integrative Physiology, 164 1: 21-28. doi:10.1016/j.cbpa.2012.10.001

  • Narayan, E. J. (2013) Non-invasive reproductive and stress endocrinology in amphibian conservation physiology. Conservation Physiology, 1 1: . doi:10.1093/conphys/cot011

  • Narayan, Edward J., Cockrem, John F. and Hero, Jean-Marc (2012) Effects of temperature on urinary corticosterone metabolite responses to short-term capture and handling stress in the cane toad (Rhinella marina). General and Comparative Endocrinology, 178 2: 301-305. doi:10.1016/j.ygcen.2012.06.014

  • Dahl, Chris, Kiatik, Ismale, Baisen, Ismale, Bronikowski, Ed, Fleischer, Robert C., Rotzel, Nancy C., Lock, Justin, Novotny, Vojtech, Narayan, Edward and Hero, Jean-Marc (2012) Batrachochytrium dendrobatidis not found in rainforest frogs along an altitudinal gradient of Papua New Guinea. Herpetological Journal, 22 3: 183-186.

  • Kindermann, Christina, Narayan, Edward J. and Hero, Jean-Marc (2012) Urinary corticosterone metabolites and chytridiomycosis disease prevalence in a free-living population of male Stony Creek frogs (Litoria wilcoxii). Comparative Biochemistry and Physiology - A Molecular and Integrative Physiology, 162 3: 171-176. doi:10.1016/j.cbpa.2012.02.018

  • Narayan, Edward J., Cockrem, John F. and Hero, Jean-Marc (2012) Urinary corticosterone metabolite responses to capture and handling in two closely related species of free-living Fijian frogs. General and Comparative Endocrinology, 177 1: 55-61. doi:10.1016/j.ygcen.2012.02.007

  • Narayan, Edward J., Molinia, Frank C., Cockrem, John F. and Hero, Jean-Marc (2012) Individual variation and repeatability in urinary corticosterone metabolite responses to capture in the cane toad (Rhinella marina). General and Comparative Endocrinology, 175 2: 284-289. doi:10.1016/j.ygcen.2011.11.023

  • Narayan, Edward J., Hero, Jean-Marc and Cockrem, John F. (2012) Inverse urinary corticosterone and testosterone metabolite responses to different durations of restraint in the cane toad (Rhinella marina). General and Comparative Endocrinology, 179 3: 345-349. doi:10.1016/j.ygcen.2012.09.017

  • Narayan, Edward, Hero, Jean-Marc, Evans, Nicole, Nicolson, Vere and Mucci, Al (2012) Non-invasive evaluation of physiological stress hormone responses in a captive population of the greater bilby Macrotis lagotis. Endangered Species Research, 18 3: 279-289. doi:10.3354/esr00454

  • Narayan, Edward, Molinia, Frank and Hero, Jean-Marc (2011) Absence of invasive chytrid fungus (Batrachochytrium dendrobatidis) in native Fijian ground frog (Platymantis vitiana) populations on Viwa-Tailevu, Fiji Islands. Acta Herpetologica, 6 2: 261-266.

  • Narayan, Edward J., Molinia, Frank C., Cockrem, John F. and Hero, Jean-Marc (2011) Changes in urinary testosterone and corticosterone metabolites during short-term confinement with repeated handling in wild male cane toads (Rhinella marina). Australian Journal of Zoology, 59 4: 264-269. doi:10.1071/ZO11070

  • Narayan, Edward J., Molinia, Frank C., Kindermann, Christina, Cockrem, John F. and Hero, Jean-Marc (2011) Urinary corticosterone responses to capture and toe-clipping in the cane toad (Rhinella marina) indicate that toe-clipping is a stressor for amphibians. General and Comparative Endocrinology, 174 2: 238-245. doi:10.1016/j.ygcen.2011.09.004

  • Narayan, Edward and Hero, Jean-Marc (2011) Urinary corticosterone responses and haematological stress indicators in the endangered Fijian ground frog (Platymantis vitiana) during transportation and captivity. Australian Journal of Zoology, 59 2: 79-85. doi:10.1071/ZO11030

  • Narayan, Edward J., Cockrem, John F. and Hero, Jean-Marc (2011) Urinary corticosterone metabolite responses to capture and captivity in the cane toad (Rhinella marina). General and Comparative Endocrinology, 173 2: 371-377. doi:10.1016/j.ygcen.2011.06.015

  • Narayan, E. J., Hero, J. M., Christi, K. S. and Morley, C. G. (2011) Early developmental biology of Platymantis vitiana including supportive evidence of structural specialization unique to the ceratobatrachidae. Journal of Zoology, 284 1: 68-75. doi:10.1111/j.1469-7998.2010.00782.x

  • Narayan, Edward, Molinia, Frank, Christi, Ketan, Morley, Craig and Cockrem, John (2010) Urinary corticosterone metabolite responses to capture, and annual patterns of urinary corticosterone in wild and captive endangered Fijian ground frogs (Platymantis vitiana). Australian Journal of Zoology, 58 3: 189-197. doi:10.1071/ZO10010

  • Narayan, Edward J., Molinia, Frank C., Christi, Ketan S., Morley, Craig G. and Cockrem, John F. (2010) Annual cycles of urinary reproductive steroid concentrations in wild and captive endangered Fijian ground frogs (Platymantis vitiana). General and Comparative Endocrinology, 166 1: 172-179. doi:10.1016/j.ygcen.2009.10.003

  • Narayan, Edward J. and Hero, Jean-Marc (2010) Platymantis vitiana; froglets morphology. Herpetological Review, 41 4: 478-479.

  • Narayan, Edward, Christ, Ketan and Morley, Craig (2009) Captive propagation of the endangered native Fijian frog Platymantis vitiana: Implications for ex-situ conservation and management. Pacific Conservation Biology, 15 1: 47-55. doi:10.1071/PC090047

  • Narayan, Edward, Christi, Ketan and Morley, Craig (2008) Ecology and reproduction of the endangered Fijian Ground Frog Platymantis vitianus - Fiji Islands. The South Pacific Journal of Natural and Applied Sciences, 26 1: 28-32. doi:10.1071/sp08004

  • Narayan, E., Christi, K., Morley, C. and Trevenen, P. (2008) Sexual dimorphism in the cane toad Bufo marinus: A quantitative comparison of visual inspection methods for sexing individuals. Herpetological Journal, 18 1: 63-65.

  • Narayan, Edward J., Christi, Ketan S. and Morley, Craig G. (2007) Captive management of newly hatched froglets of Fijian ground frog (Platymantis vitianus): Lesson learnt from unanticipated invertebrate predator invasion-Fiji Islands. Conservation Evidence, 4 58-60.

  • Narayan, Edward J., Christi, Ketan S. and Morley, Craig G. (2007) Improvement in ex-situ egg hatchability of Fijian ground frog Platymantis vitianus by laboratory incubation of egg masses. Conservation Evidence, 5 25-27.

  • Narayan, Edward J., Christi, Ketan S. and Morley, Craig G. (2007) Provision of natural egg-laying sites for the captive breeding of endangered Fijian ground frog (Platymantis vitianus) in captivity-Fiji Islands. Conservation Evidence, 4 61-65.

Possible Research Projects

Note for students: The possible research projects listed on this page may not be comprehensive or up to date. Always feel free to contact the staff for more information, and also with your own research ideas.