This easy to navigate and well-written site is packed with information and excellent photos about the blue crab (Callinectes sapidus) and its fishery. Biology section covers: species profile, anatomy, life cycle,...

This resource is a classroom unit and data activity focusing on juvenile and adult blue crab distribution in the Chesapeake Bay. The pdf includes background on crab biology, anatomy, life cycle, and fisheries. Authentic...

This site provides a short introduction to fiddler crabs (Genus Uca), their worldwide distribution, biology, ecology and systematics. Profiles of individual species include: zoological classification, morphology,...