The Maryland Blue Crab The Maryland Blue Crab
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Who would suspect that the source of so much good old fashioned fun would have such a poetic name? Beautiful Swimmer is translated from the scientific name given to the Atlantic Blue Crab - known around these parts as the Maryland Blue Crab.
Early Lifecycle of Crabs
  • The Blue Crab is a member of the swimming crab family, Portunidae.

  • Crabs only swim and walk from side to side rather than forward or backward.

  • Crabs are predators and scavengers - they eat mostly live and dead fish, clams, and snails. But they also will eat eelgrass, sea lettuce, and decayed vegetation.

  • Crabs will eat other crabs when they can not find anything else. Scientists say this is nature's way of population control.

  • Maryland Blue Crabs are bottom dwellers living in the Atlantic ocean and in the salty and brackish waters of the coastal and Chesapeake bays.

  • "Cancer" is the Latin word for crab. People who study crabs are therefore called carcinologists, which causes a lot of confusion. Doctors treating the disease of cancer are oncologists.


There is a wealth of information online about this topic:

General - Educational
  • Blue Crab Facts
  • Chesapeake Bay Program - Blue Crabs
  • Maryland State Crustacean - Blue Crab
  • Maryland Sea Grant
  • How a Blue Crab Changes as It Grows
  • Encyclopedia.com
  • The Columbia Encyclopedia, Sixth Edition. 2001
  • Blue Crabs - St. Petersburg Times
  • Blue Claws: Crabbing in New Jersey
  • New Jersey Scuba Diver - Marine Biology - Crustaceans: Crabs
  • The Blue Crab Home Page
  • Blue Crabs - South Carolina Department of Natural Resources


    Scientific Study
  • Blue Crab Ecology Smithsonian Environmental Research Center
  • Center for Coastal Environmental Health and Biomolecular Research, Oxford, Maryland
  • University of Delaware Graduate College of Marine Studies
  • Chesapeake Bay Life > Benthos > Blue Crab
  • Chesapeake Bay Commission - The Bi-State Blue Crab Advisory Committee
  • Smithsonian Environmental Research Center
  • North Carolina Department of Fisheries
  • Beautiful Swimmer - Callinectes sapidus
    The Atlantic or Maryland Blue Crab
    Callinectes: (Greek) beautiful swimmer
    Sapidus: (Latin) tasty or savory
    Rathbun: For Dr. Mary J. Rathbun of the Smithsonian Institution who gave this crab its name and identified 997 other crabs as well during her career

    Find out more:
  • Identifying Crab Gender & Age
  • History & Lore
  • Books On Crabs & The Eastern Shore
  • Books Just For Kids