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Crustacea

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Description: Extensive information on the crabs, lobsters and shrimps found in the waters round Britain.
Crustacea (British Marine Life Study Society Information Page) This appendage with a extra claw was found on a lobster caught by John Barker (Shoreham) Because that's the way their legs bend. Muscles work in pairs. A muscle can only retract, or pull; to lengthen again it must relax and be pulled back by another 'antagonistic' muscle. The muscle blocks in crabs are attached to the inner surface of the exoskeleton, including the ten tubular legs, including the legs with claws, or
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Page title:Crustacea (British Marine Life Study Society Information Page)
Keywords:Hyperia, galba, Crabs. Claws. Lobster. Pagurus. Hermit Crabs. Crustacea. crustaceans. ecydsis. moulting. molting.
Description:Why do crabs walk sideways and other stories. British Marine Life Study Society Crustacea Home Page
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