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Jenny McIlwain working at the Australian Museum, June 2005. Photo: T. Trnski © Australian Museum.

Jenny Mcilwain

Assistant Professor of Marine Biology

BSc Honours James Cook University
PhD University of Western Australia

Lab Page

Research Interests

My research interests include a broad range of topics within the field of reef fish population dynamics. These include connectivity of reef fish populations, adult reproductive biology, movement and home range of grouper and surgeonfish, age-demographics of reef fish, sex-change in exploited hermaphroditic species and fish-habitat relationships. My group, the Fish Ecology Lab, has taken a lead role in reef fish ecology/fisheries research in the West Pacific supported by numerous federal agencies such as NOAA and NFWS. Our approach has been to use a multitude of techniques (genetics, demography, modelling and acoustic tagging) as a means to answering some of the most challenging questions in tropical fisheries research. See the Fish Ecology Lab page (make this active) for more details of our research activities.

Recent Publications

Henderson AC, JL McIlwain, H S Al-Oufi, Ambu-Ali, A (2006) Reproductive biology of the milk shark Rhizoprionodon acutus and the bigeye houndshark, Iago omanensis in the coastal waters of Oman. Journal of Fish Biology 68:1662-1678

McIlwain JL, Hermosa GV Jr, Al-Oufi H.S., Claereboudt M.C., M. Al-Awi (2006) Spawning periods and reproductive patterns of six exploited finfish species from the Arabian Sea, Sultanate of Oman. Journal of Applied Ichthyology 22:167-176

Govender, A., Al-Oufi, H., McIlwain J.L., Claereboudt, M.C. (2006) A per-recruit assessment of the kingfish (Scomberomorus commerson) resource of Oman with an evaluation of the effectiveness of some management regulations. Fisheries Research 77:239-247

Van Herwereden L, McIlwain JL, Al-Amry W, Al-Oufi H (2006) Development and application of microsatellite markers for Scomberomorus commerson (Perciformes; Teleostei) to a population genetic study of Arabian stocks. Fisheries Research 79:258-266

Henderson A, McIlwain JL, Al-Oufi H, Al-Sheili S (2007) The Sultanate of Oman shark fishery: Species composition, seasonality and diversity. Fisheries Research 86:159-168

Henderson AC, McIlwain JL, Al-Oufi, H, Al-Sheilie S, Al-Abri N (2009) Size distributions and sex ratios of sharks caught by Oman’s artisanal fishery. African Journal of Marine Science 31 (2): 233-239

Horne JB, McIlwain JL, van Herwerden L (2009) Isolation of 15 new polymorphic microsatellite markers from the blue-spine unicornfish Naso unicornis. Conservation Genetics Resources.

Taylor BM, McIlwain JL (2010) Beyond abundance and biomass: MPA effects on the demography of a highly exploited reef fish Lethrinus harak. Marine Ecology Progress Series 411: 243-258

I., Williams, Richards BM, Sandin SA, Baum JK, Shroeder RE, Nadon MO, Zgliczynski B, Craig P, McIlwain JL, RE Brainard (2011) Differences in reef fish assemblages between populated and remote reefs spanning multiple archipelagos across Central and Western Pacific. Journal of Marine Biology 2011:1-14

Rhodes KL, Taylor BM, McIlwain JL (2011) Detailed demographic analysis of an Epinephelus polyphekadion spawning aggregation and fishery. Marine Ecology Progress Series 421:183-198

Alyssa Marshell, Justin Mills, Kevin Rhodes and Jennifer L. McIlwain (2011) Passive acoustic tracking reveals highly variable home range movement patterns among unicornfish within a marine reserve. Coral Reefs. DOI 10.1007/s00338-011-0770-2

McIlwain JL, Harvey ES, Grove S, Shiell G, Al-Oufi HS, Al-Jardani N (2011) Seasonal changes in a deep-water fish assemblage in response to shifting oceanographic conditions. Fisheries Oceanography. DOI:10.11 11/j.1365-2419.2011.00598

Houk, P., Rhodes, K.R., Cuetos-Bueno, Lindfield S, Fread, V, McIlwain JL (2011) Commercial coral reef fisheries in Micronesia; a case for improved management. Coral Reefs. DOI 10.1007/s00338-011-0826-3

Michel Kulbicki, James Beets, Pascale Chabanet, Katherine Cure, Emily Darling, Sergio Floeter, René Galzin, Alison Green, Mireille Harmelin-Vivien, Mark Hixon, Yves Letourneur, Thierry Lison de Loma, Tim McClanahan, Jennifer McIlwain, Gérard MouTham, Robert Myers, Jennifer K. O’Leary, Serge Planes, Laurent Vigliola, Laurent Wantiez (in press) Distributions of Indo-Pacific lionfishes (Pterois spp.) in their native ranges: implications for the Atlantic invasion. Marine Ecology Progress Series

Rhodes K. R., McIlwain JL., Joseph E., Nemeth R (in press) Reproductive movement, residency and fisheries vulnerability of brown-marbled grouper, Epinephelus fuscoguttatus. Coral Reefs

Mia T. Comeros-Raynal, John Howard Choat, Beth A. Polidoro, Kendall D. Clements, Rene Abesamis, Segundo Conales, Jr., Matthew T. Craig, Muhammad Erdi Lazuardi, Jennifer McIlwain, Andreas Muljadi, Robert F. Myers, Cleto Nañola, Jr, Shinta Pardede, Luiz A. Rocha, Barry Russell, Jonnell C. Sanciangco, Brian Stockwell, Heather D. Harwell, Kent E. Carpenter (in press) The likelihood of extinction of iconic and dominant components of coral reefs: the parrotfishes and surgeonfishes. PLoS ONE


Dr. Jennifer L. Mcilwain
Assistant Professor of Marine Biology
Marine Laboratory
University of Guam
Mangilao GU 96923 USA
Marine Lab., Room 102
Tel: 1 671 735 2188
Fax: 1 671 734 6767

Copyright © 2005 University of Guam Marine Laboratory. All rights reserved.

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