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Robert Cowie, Ph.D.

Research Professor, PBRC
Graduate Faculty, Department of Biology


PhD, Zoology, University of Liverpool, UK

MA, Natural Sciences (Zoology), University of Cambridge, UK

BA, Natural Sciences (Zoology), University of Cambridge, UK

Research Interests

The over-arching theme of my research is to understand the origins and determinants of non-marine biodiversity, both native and alien, primarily in the Pacific. Systematics provides the essential framework and conservation underlies all aspects of the research, which integrates a range of subdisciplines and approaches, including taxonomy, phylogenetics, genetic diversity, biogeography, invasion biology, ecology and climate change. A developing direction is an integrated understanding of an emerging parasitic disease vectored primarily by alien species. The four main focuses are:


  • Biodiversity – Ecological determinants and evolutionary origins of the immense native Pacific island diversity. Systematics of Hawaiian land snails and of freshwater apple snails.


  • Invasion biology – Spread and impacts, invasion dynamics and origins, both phylogenetic and anthropogenic, of alien species, primarily in the Pacific.


  • Conservation ecology – Ecology, behavior and status of native Pacific island land snails. Patterns of global extinction.


  • Emerging disease ecology – Eosinophilic meningitis in humans caused by the rat lungworm, specifically aspects involving the snail intermediate hosts of the parasite.

Selected Publications


For a full list of Cowie lab publications see the link above

Joshi, R.C., Cowie, R.H. & Sebastian, L.S. (eds.) 2017. Biology and Management of Invasive Apple Snails. Philippine Rice Research Institute, Muñoz, Nueva Ecija. xvii + 405 p.

Cowie, R.H., Rundell, R.J. & Yeung, N.W. 2017. Samoan Land Snails and Slugs – An Identification Guide. Department of Marine and Wildlife Resources, American Samoa Government. viii + 71 p.

Cowie, R.H., Régnier, C., Fontaine, B. & Bouchet, P. 2017. Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.

Chiba, S. & Cowie, R.H. 2016. Evolution and extinction of land snails on oceanic islands. Annual Review of Ecology, Evolution, and Systematics 47: 123-141.

Curry, P.A., Yeung, N.W., Hayes, K.A., Meyer, W.M., III, Taylor, A.D. & Cowie, R.H. 2016. Rapid range expansion of an invasive predatory snail, Oxychilus alliarius (Miller 1822), and its impact on endemic Hawaiian land snails. Biological Invasions 18(6): 1769-1780.

Kim, J.R., Hayes, K.A., Yeung, N.W. & Cowie, R.H. 2016. Identity and distribution of introduced slugs (Veronicellidae) in the Hawaiian and Samoan Islands. Pacific Science 70(4): 477-493.

Triantis, K.A., Rigal, F., Parent, C.E., Cameron, R.A.D., Lenzner, B., Parmakelis, A., Yeung, N.W., Alonso, M.R., Ibáñez, M., Martins, A.M. de F., Teixeira, D.N.F., Griffiths, O.L., Yanes, Y., Hayes, K.A., Preece, R.C. & Cowie, R.H. 2016. Discordance between morphological and taxonomic diversity: land snails of oceanic archipelagos. Journal of Biogeography 43(10): 2050-2061.

Cowie, R.H. 2015. The recent apple snails of Africa and Asia (Mollusca: Gastropoda: Ampullariidae: Afropomus, Forbesopomus, Lanistes, Pila, Saulea): a nomenclatural and type catalogue. The apple snails of the Americas: addenda and corrigenda. Zootaxa 3940(1): 1-92.

Cowie, R.H., Hayes, K.A. & Strong, E.E. 2015. Types of Ampullariidae (Mollusca: Gastropoda) in the U.S. National Museum of Natural History, Smithsonian Institution, with lectotype designations. Smithsonian Contributions to Zoology 645: [i-iii], 1-13.

Hayes, K.A. . . . [31 others] . . . & Cowie, R.H. 2015. Insights from an integrated view of the biology of apple snails (Caenogastropoda: Ampullariidae). Malacologia 58(1-2): 245-302.

Régnier, C., Achaz, G., Lambert, A., Cowie, R.H., Bouchet, P. & Fontaine, B. 2015. Mass extinction in poorly known taxa. Proceedings of the National Academy of Sciences 112(25): 7761-7766.

Régnier, C., Bouchet, P., Hayes, K.A., Yeung, N.W., Christensen, C.C., Chung, D.J.D., Fontaine, B. & Cowie, R.H. 2015. Extinction in a hyperdiverse endemic Hawaiian land snail family and implications for the underestimation of invertebrate extinction. Conservation Biology 29(6): 1715-1723.

Cowie, R.[H.] 2014. Journey to a Waterfall. A Biologist in Africa. Lulu, Raleigh. x + 279 p.

Kim, J.R., Hayes, K.A., Yeung, N.W. & Cowie, R.H. 2014. Diverse gastropod hosts of Angiostrongylus cantonensis, the rat lungworm, globally and with a focus on the Hawaiian Islands. PLoS ONE 9(5): e94969.

Contact Info

This email address is being protected from spambots. You need JavaScript enabled to view it.
(808) 956-4909 (ph)
(808) 956-2647 (fax)
3050 Maile Way, Gilmore 408
Honolulu, HI 96822