The sex of a blue crab is determined by the shape of the apron. The maleapron, shown here, is shaped like a rocket. Females have either a V shape(immature) or a very wide apron with a small tip (mature.)
3/4/2019 12:35:22 PM
Photographer: Mary Hollinger
Affiliation: NODC biologist
Date: 1999 July 25
Location: Maryland, Chesapeake Bay
Subject: Coastline
Subject: Chesapeake Bay Maryland