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Department of Invertebrate Zoology

image of anomuran, Aegla pewenchae

Freshwater South American anomuran, Aegla pewenchae Jara 1994, (Family Aeglidae). Photo by Chris Tudge

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Christopher TudgeResearch Associate

  • Phone: 202-885-2033
  • Fax: 301-238-1833
  • E-mail:

  • Mailing Address:
    Smithsonian Institution
    PO Box 37012, MRC 163
    Washington, DC 20013-7012

  • Courier Delivery Address:
    Smithsonian Institution
    National Museum of Natural History
    10th and Constitution Ave, NW
    Washington, DC 20560-0163

    Responsibilities: Research Associate

    The University of Queensland, Brisbane, Australia, B.S. 1985
    The University of Queensland, Brisbane, Australia, Ph.D. 1995

    Research Interests:
    Reproductive biology, morphology and behavior of decapod crabs Ultrastructure and phylogeny of the spermatozoa and spermatophores of decapod crustaceans
    Microstructure of crustacean tissues Taxonomy, systematics, evolution, and phylogeny of decapod crabs
    Molecular phylogeny of the Decapoda
    Zoogeography of Australian tropical and subtropical hermit crabs
    Evolution and phylogeny of hydrothermal vent/hydrocarbon seep Decapoda

    Professional Activities:
    American University, Associate Professor

    Member - American Microscopical Society; Biological Society of Washington; The Carcinological Society of Japan; International Society of Invertebrate Reproduction and Development; Senate of Scientists, NMNH; Society for Australian Systematic Biology; The Crustacean Society.

    Symposium co-organizer (with R. Lemaitre) & chairperson of Systematics and Biology of the Anomura. 5th International Crustacean Congress, The University of Melbourne, Victoria, Australia (July, 2001).

    Symposium organizer & chairperson of Patterns and Processes in Crustacean Evolution. 6th International Congress of Systematic and Evolutionary Biology, University of Patras, Greece (September, 2002).

    Invited speaker at Workshop for the Graduate College at the Humboldt University & Berlin Natural History Museum, Berlin, Germany (June, 2003).

    Chairperson of Systematics Session. Summer meeting, The Crustacean Society, Virginia Institute of Marine Science, Williamsburg, Virginia (June, 2003).

    Secretary, The Crustacean Society, USA (2004 – present)

    Symposium co-organizer (with R. Lemaitre) & Chairperson of Biology of the Anomura II. 6th International Crustacean Congress, University of Glasgow, Scotland, UK (July, 2005).

    Associate Editor, Gulf and Caribbean Research, USA (2005-present)

    Selected Publications:
    Klaus, S., Munzner, S., Modenbach, A-C., Streit, B. & Tudge, C.C. (2011). Spermatophore formation and sperm ultrastructure of Sundathelphusa philippina (Crustacea: Brachyura: Gecarcinucidae). Acta Zoologica (DOI: 10.1111/j.1463-6395.2011.00550.x).

    Terossi, M., Tudge, C., Lopez Greco, L. S. and Mantelatto, F. L. 2011. A novel spermatozoon ultrastructure in the shrimp Hippolyte obliquimanus Dana, 1852 (Decapoda: Caridea: Hippolytidae). Invertebrate Reproduction and Development, DOI: 10.1080/07924259.2011.631040.

    Tirelli, T., Sylvestro, D., Campantico, E., Tudge, C. C. and Pessani, D. (2011). Morphology of Paguristes eremita spermatophores and spermatozoa in comparison to those of the other Mediterranean Diogenidae (Decapoda, Anomura) and their bearing on a sperm phylogeny of the family. Museo Regionale di Scienze Naturali di Torino, Atti IX Colloquium Crustacea Decapoda Mediterranea 2008: 343-355.

    Lemaitre, R., Tudge, C.C. and McLaughlin, P.A. (2010). Preliminary study of the preungual process in the Paguroidea, with emphasis on the Paguridae (Crustacea: Decapoda: Anomura). Nauplius 18(1): 13-23.

    Tirelli, T., Sylvestro, D., Pessani, D. and Tudge, C. C. (2010). Description of the male reproductive system of Paguristes eremita (Anomura, Diogenidae) and its placement in a phylogeny of diogenid species based on spermatozoa and spermatophore ultrastructure. Zoologischer Anzeiger 248: 299-312.

    Mantelatto, F. L. and Tudge, C.C. (2010). (Editors) Biology of Anomura III. Proceedings of a symposium at The Crustacean Society Summer Meeting in Tokyo, Japan & 47th Annual Meeting of the Carcinological Society of Japan, September 20-24, 2009. Nauplius 18(1): 1-102.

    Mantelatto, F. L., Scelzo, M. A. and Tudge, C.C. (2009). Morphological and morphometric appraisal of the spermatophore of the southern hermit crab Isocheles sawayai Forest and Saint-Laurent, 1968 (Anomura: Diogenidae), with comments on gonopores in both sexes. Zoologischer Anzeiger 248(1): 1-8.

    Tudge, C. C. (2009). Spermatozoal morphology and its bearing on decapod phylogeny. In: J. Martin, K. Crandall and D. Felder (eds.) Decapod Crustacean Phylogenetics. Proceedings of a symposium in San Antonio, Texas, January 2008. Crustacean Issues 18. CRC Press, Boca Raton, pp. 101-119.

    Robles, R., Tudge, C. C., Dworschak, P., Poore, G. and Felder, D. (2009). Molecular phylogeny of the Thalassinidea based on nuclear and mitochondrial genes. In: J. Martin, K. Crandall and D. Felder (eds.) Decapod Crustacean Phylogenetics. Proceedings of a symposium in San Antonio, Texas, January 2008. Crustacean Issues 18. CRC Press, Boca Raton, pp. 309-326.

    Kawai, T. and Tudge, C.C. (2008). Re-examination of the type material of Cambaroides schrenckii (Kessler, 1874) (Decapoda: Cambaridae) with a lectotype designation, re-description, and discussion on its phylogenetic position. Proceedings of the Biological Society of Washington 121(2): 158-176.

    Full Publication List

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