Image Hilmar Hinz - Hyas coarctatus specimen 18 mm long. Image width ca XX cm.
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Hyas coarctatus is not listed under any importance categories.
|Phylum||Arthropoda||Arthropods, joint-legged animals, e.g. insects, crustaceans & spiders|
|Class||Malacostraca||Crabs, lobsters, sand hoppers and sea slaters|
|Recorded Distribution in Britain and Ireland||Found throught the British Isles but absent from the west coasts of Ireland.|
|Habitat information||The toad crab is a benthic species found on both hard and sandy bottoms from the intertidal region down to a depth of up to 50 m.|
|Description||The toad crab, Hyas coarctatus, is a 'true crab' and therby has a heavily calcified, flattened carapace with a short abdomen folded up beneath it. The first appendages form large claws. It is a member of the spider crab family and has long, thin legs, and claws of the same length as the legs. Its stalked eyes are visible from above. Hyas coarctatus can reach up to 61 mm in carapace length and is reddish-brown above and white underneath. It has longer claws than the giant spider crab, Hyas araneus, and the two forward-projecting horns on its head are slightly longer and further apart than those of the giant spider crab.|
|Additional information||No text entered|
This review can be cited as follows:
Morvan Barnes 2008. Hyas coarctatus. Toad crab. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 26/05/2013]. Available from: <http://www.marlin.ac.uk/speciesinformation.php?speciesID=3533>