John F. Morrissey

John F. Morrissey is a Professor of Biology and Pre-Vet Advisor at Sweet Briar College, specializing in marine biology with a focus on sharks and rays. He holds a Ph.D. in Marine Biology & Fisheries from the University of Miami Rosenstiel School. His research explores elasmobranch natural history, including reproduction, genetics, and behavior, with fieldwork in the Bahamas, Cayman Trench, and Chesapeake Bay. He authored the bestselling textbook Introduction to the Biology of Marine Life.

Education:

• B.A. in Biology, Hofstra University
• M.A. in Biology, Hofstra University
• Ph.D. in Marine Biology & Fisheries, University of Miami

Research Interests: Morrissey’s work centers on shark and ray biology, including reproductive strategies, genetic variation (e.g., mitochondrial DNA studies in cownose rays), and behavioral ecology. He investigates visual adaptations, feeding habits, and courtship behaviors in species like lemon sharks (Negaprion brevirostris) and little skates (Leucoraja erinacea). His studies often combine field observations with molecular techniques.

Teaching: He teaches core biology courses such as Marine Biology, Comparative Animal Physiology, and Independent Research, fostering hands-on learning through lab techniques and interdisciplinary projects.

Advising & Grants: Morrissey advises students in marine biology and pre-veterinary tracks. Though specific grants are not listed, his research has involved collaborations with institutions like the American Elasmobranch Society and fieldwork in diverse marine environments.

Labs/Teams: His lab studies chain catsharks, focusing on physiological and morphological adaptations. He collaborates with global researchers on projects like the Cayman Trench elasmobranch surveys and Bimini lemon shark telemetry studies.