Franklin & Marshall College Franklin & Marshall College

John J. McDermott

B.F. Fackenthal Jr. Professor of Biology Emeritus
Office: LSP254D


B.S., 1949, Biology, Seton Hall College
M.S., 1951, Zoology, Rutgers University
Ph.D., 1954, Zoology, Rutgers University

Other Affiliations

Director of summer course, Bermuda Institute of Ocean Sciences (BIOS), 1977-78

Visiting professor of Marine Science, Virginia Institute of Marine Science, College of William and Mary, summers 1968-74

Assistant Research Specialist Oyster Investigations, Rutgers University, 1954-58

Research Interests

Biology and natural history of marine crustaceans, mollusks and nemerteans; ecology of exposed sandy beaches; invasive marine species; marine host-parasite relationships


(last ten peer-reviewed)

Williams, J.D. and J.J. McDermott 2004. Hermit crab biocoenoses: a worldwide review of the diversity and natural history of hermit crab associates. Journal of Experimental Marine Biology and Ecology 305: 1-128.

McDermott, J.J. 2005. Food habits of the surf-zone isopod Chiridotea caeca (Say, 1818) (Chaetiliidae) along the coast of New Jersey, USA. Proceedings of the Biological Society of Washington 118: 63-73.

McDermott, J.J. 2005. Biology of the brachyuran crab Pinnixa chaetopterana Stimpson, 1860 (Decapoda: Pinnotheridae) symbiotic with tubicolous polychaetes along the Atlantic coast of the United States, with additional notes on other polychaete associates. Proceedings of the Biological Society of Washington 118: 742-764.

 McDermott, J.J. 2006. The biology of Austinixa gorei (Manning & Felder, 1989) (Decapoda: Brachyura: Pinnotheridae) symbiotic in the burrows of intertidal ghost shrimp (Decapoda: Thalassinidea: Callianassidae) in Miami, Florida. Crustaceana 79: 345-361.

McDermott, J.J. 2006. Nemerteans as hosts for symbionts: a review. Journal of Natural History 40: 1007-1020.

McDermott, J.J. 2007. Ectosymbionts of the non-indigenous Asian shore crab, Hemigrapus sanguineus (Decapoda: Varunidae), in the western north Atlantic, and a search for its parasites. Journal of Natural History 41: 2379-2396.

McDermott, J.J. 2009. Hypersymbioses in the pinnotherid crabs (Decapoda: Pinnotheridae): a review. Journal of Natural History 43: 785-805.

McDermott, J.J. 2009. Notes on the unusual megalopae of the ghost crab Ocypode quadrata and related species (Decapoda: Brachyura: Ocypodidae). Northeastern Naturalist 16: 637-646.

McDermott, J.J., J.D. Williams and C.B. Boyko 2010. The unwanted guests of hermits: A global review of the diversity and natural history of hermit crab parasites. Journal of Experimental Marine Biology and Ecology 394: 2-44.

McDermott, J.J. 2011. Parasites of shore crabs in the genus Hemigrapsus (Decapoda: Brachyura: Varunidae) and their status in crabs geographically displaced: a review. Journal of Natural History 45:2419-2441.