Horseshoe Crabs Life History & Management

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Presentation transcript:

Horseshoe Crabs Life History & Management

Life History Unchanged for over 300 million years Pre-dated dinosaurs by 150 million years Only 4 species exist today Three in Southeast Asia One along the Atlantic Coast

Has 10 eyes! Tail is not a weapon, it aids in mobility

Reproduction Males are smaller then females Mate in May

Juveniles Each female lays over 4,000 eggs a year Eggs hatch in 2-4 weeks Crabs must molt to grow Can live for 18 years (Picture taken from class)

Horseshoe crabs play an important ecological role in the food web for migrating shorebirds.

Work Cited The Ecological Research & Development Group (ERDG) http://horseshoecrab.org/ Florida Fish and Wildlife Conservation Commission http://myfwc.com/research/saltwater/crustaceans/horseshoe-crabs/

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