Callinectes rathbunae
Encyclopedia
Callinectes rathbunae is a species of swimming crab
Portunidae
Portunidae is a family of crabs which contains the swimming crabs.-Description:Portunid crabs are characterised by the flattening of the fifth pair of legs into broad paddles, which are used for swimming...

. It occurs in warm coastal waters of Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

. The species is not used as food, but is kept in laboratories
Laboratory
A laboratory is a facility that provides controlled conditions in which scientific research, experiments, and measurement may be performed. The title of laboratory is also used for certain other facilities where the processes or equipment used are similar to those in scientific laboratories...

 for research. Young crabs can range from 17–64 mm (0.669291338582677–2.5 ) in size. The specific epithet rathbunae commemorates Mary J. Rathbun.
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