Related topics: species

How seaweed-munching crabs could help save coral reefs

Coral reefs are facing a steep decline today for many reasons, including climate change, overfishing, pollution, disease, and more. What's taking their place is lots and lots of seaweed. But researchers reporting in the journal ...

Study shows climate change can help crab escape its parasites

As Earth warms, species around the world—Adélie penguins, earthworms, gray snapper, pin oaks—are shifting into habitats once too cold for them. One such "climate migrant" is the Atlantic mud fiddler crab Minuca pugnax. ...

Crabs are key to ecology and economy in Oman

The intertidal mudflats of Barr Al Hikman, a nature reserve at the south-east coast of the Sultanate of Oman, are crucial nursery grounds for numerous crab species. In return, these crabs are a vital element of the ecology, ...

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Crab

True crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (Greek: βραχύς / brachys = short, οὐρά / οura = tail), or where the reduced abdomen is entirely hidden under the thorax. Many other animals with similar names – such as hermit crabs, king crabs, porcelain crabs, horseshoe crabs and crab lice – are not true crabs.

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