Related topics: species

Biodiversity in crabs: More than counting species

Biodiversity is often equated with species numbers. A team led by LMU zoologist Professor Carolin Haug has shown that matters are a good deal more complicated than that. The researchers compared the shield shapes of "true" ...

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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