Biodiversity & Conservation

Long clawed porcelain crab - Pisidia longicornis - General information

Pisidia longicornis

Image Steve Trewhella - Pisidia longicornis. Image width ca 3 cm.
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Distribution map

Pisidia longicornis recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)

Why do the maps differ?

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Pisidia longicornis is not listed under any importance categories.

General information

Key Icon Researched by: Dr Keith Hiscock Text page icon Refereed by: This information is not refereed.

Taxonomy icon Taxonomy

Phylum Arthropoda Arthropods, joint-legged animals, e.g. insects, crustaceans & spiders
Class Malacostraca Crabs, lobsters, sand hoppers and sea slaters
Map icon Recorded distribution in Britain and Ireland Present all around Britain and Ireland.
Habitat information icon Habitat information Present under boulders in the intertidal and common in the circalittoral especially in bryozoan turf.
Text page icon Description A small crab less than 10 mm across the carapace. It is reddish-orange in colour, frequently with patches of pearly white on the carapace or sometimes all of the carapace is white. Long claws and with only three pairs of walking legs apparent and a tiny fifth pair of appendages often concealed.

This review can be cited as follows:

Dr Keith Hiscock 2008. Pisidia longicornis. Long clawed porcelain crab. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 19/06/2013]. Available from: <http://www.marlin.ac.uk/speciesfullreview.php?speciesID=4134>