|aHuntington Beach, CA :|bTeacher Created Materials,|c.
|a32 p. :|bcol. ill. ;|c23 cm.
|a"Smithsonian" -- Cover.
|aOverfishing and changes in crabs' habitats have reduced the number of blue crabs in the Chesapeake Bay. This is a disaster. Many people depend on blue crabs for their jobs. Learn how scientists have stepped in to study the lives of these blue beauties so that they can keep a healthy crab population.