Hawaii Biological Survey Staff

Roy T. Tsuda, Ph.D.


phone: 808-847-8224
fax: 808-847-8252
email: roy.tsuda[at]bishopmuseum.org


  • Ph.D., Botany, University of Wisconsin-Milwaukee
  • M.S./B.A., Botany, University of Hawaii-Manoa

Research Interests

  • Taxonomy, ecology and phytogeography of Pacific coral reef benthic algae and seagrasses
  • Food preferences of herbivorous coral reef fishes and invertebrates

Field Work and Museum Studies

  • Field work in Guam, Northern Mariana Islands, Palau, Federated States of Micronesia, Marshall Islands, Hawaiian Islands, Johnston Atoll, New Caledonia, Okinawa, Costa Rica and Belize
  • Initiated and maintained algal and seagrass Herbarium at University of Guam Marine Laboratory

Professional Experience

  • Research Associate, Bishop Museum, Honolulu, Hawai‘i (2004-present)
  • Professor Emeritus of Marine Biology, University of Guam, Mangilao, Guam (1990-Present)
  • Chief, Environmental Services, Duenas & Associates, Inc. [Engineering/Environmental] (1990-2000)
  • Foreign Visiting Researcher funded by Japan Ministry of Education, Science and Culture, Sesoko Marine Science Center, University of the Ryukyus, Okinawa, Japan, January 5-March 31, 1990
  • Instructor to Professor, Marine Laboratory, University of Guam, Mangilao, Guam, includes administrative positions as Director of Marine Laboratory, Dean of Graduate School & Research, Academic Vice Present and Acting/Interim President (1967-89, 2000-01)

Selected Publications

Tsuda, R.T. 2014. Bibliographic catalogue of the marine benthic algae in the Papahänaumokuäkea Marine National Monument (Northwestern Hawaiian Islands). Phytotaxa 167(1): 35–60. (Published online: 5 May 2014, http://dx.doi.org/10.11646/phytotaxa.167.1.2).

Tsuda, R.T. 2014. Endemism of marine algae in the Hawaiian Islands. In Evenhuis, N.L., Records of the Hawaii Biological Survey for 2013. Bishop Museum Occasional Papers 115: 23–27. (Published online 27 March 2014, http://hbs.bishopmuseum.org/pubs-online/bmop.html).

Tsuda, R.T. & Walsh, S.K. 2013. Bibliographic checklist of the marine benthic algae of Central Polynesia in the Pacific Ocean (excluding Hawai‘i and French Polynesia). Micronesica 2013-02: 1-91. (Published online 2 April 2013, www.uog.edu/up/micronesica/2013).

Tsuda, R.T. 2013. Eastern range extension of Hormophysa cuneiformis (Phaeophyceae: Fucales) in Micronesia. Marine Biodiversity Records 6: e17(doi:10.1017/S1755267212001273).

Tsuda, R.T., Fisher, J.R., & Vroom, P.S. 2012. Floristic account of the marine benthic algae from Jarvis Island and Kingman Reef, Line Islands, Central Pacific. Micronesica 43(1): 14–50.

Tsuda, R.T., Vroom, P.S. & Page-Albins, K.N. 2012. New marine algal records from the Polynesia-Micronesia region of the Pacific Ocean. Marine Biodiversity Records 5: e18   (doi:10.1017/S1755267212000024).

Tsuda, R.T., Fisher, J.R., & Vroom, P.S.. 2011. First records of marine benthic algae from Swains Island, American Samoa.  Cryptogamie Algologie 32: 271–291.

Tsuda, R.T., Abbott, I.A., Vroom, P.S., & Fisher, J.R. 2010. Marine benthic algae of Johnston Atoll: New species records, spatial distribution and taxonomic affinities with neighboring islands. Pacific Science
64: 585-605.

Tsuda, R.T., Fisher, J.R., Vroom, P.S., & Abbott, I.A.  2010.  New records of subtidal benthic marine algae from Wake Atoll, Central Pacific.  Botanica Marina 53: 19-29.

Tsuda, R.T., Vroom, P.S., Abbott, I.A., Fisher, J.R., & Foster, K.B. 2008. Additional marine benthic algae from Howland and Baker Islands, Central Pacific.  Pacific Science 62: 271-290.

This page last revised January 2014

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