Boman Framji Chhapgar (1 January 1931 – 5 August 2018[1]) was an Indian marine biologist who specialized in carcinology.

The author of popular accounts on marine biology under the pen-name of "beefsea", several new species of crab, mantis shrimp and fishes have been described by him.

In 1957, he was selected for the UNESCO Marine Biology Refresher Course, which he successfully completed the following year.

Dr Chhapgar joined the Department of Fisheries, Bombay State in 1955 as a junior research assistant.

[5][7] In 1973 he joined the Bhabha Atomic Research Centre to study aquatic radioactivity and its impact on the marine environment.

[11] He was elected a Life Fellow of the International Oceanographic Foundation, for his "contributions to the advancement and extension of knowledge and discovery in oceanography and the marine sciences".

[citation needed] From 1991 he guided MSc and PhD students and was a visiting faculty at the University of Mumbai.