Crabs

Crabs are crustaceans, and along with shrimps and lobsters, they are called "decapods" - crustaceans with five pairs of legs. There are two major groups of animals called "crabs"- the brachyurans or "true crabs" and the anomurans or "false crabs". In general, true crabs have four pairs of legs used for walking, while false crabs have just two or three. True crabs have a short abdomen which is curled underneath their bodies; false crabs have a longer abdominal segment that is less well-protected. Hermit crabs are false crabs which use borrowed mollusk shells to house and protect their abdomens.

Decorator Crab,
Australia
Decorator Crab,
Thailand
Decorator Crab,
Fiji
Porcelain Crab,
New Guinea
Sponge Crab,
Australia
Boxer Crab,
Indonesia
Hermit Crab,
Indonesia
Decorator Crab,
Indonesia
Banded Anemone Crab,
Indonesia
Box Crab,
Indonesia
Rock Crabs,
Massachussetts
Swimming Crab,
Hawaii
Porcelain crab,
Indonesia
Chirostylid Crab,
Japan
Porcelain crab,
Indonesia
Molting Crab,
Indonesia
Molting Crab,
Indonesia
Molting Crab,
Indonesia
Zebra Crab,
Indonesia
Arrow Crab,
Dominica
Fairy Crab,
Indonesia
Hermit Crabs,
New Guinea
Hermit Crab,
New Guinea
Hermit Crab,
Australia

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All images © David Hall. Any unauthorized use or reproduction of these images is strictly forbidden.