Broad clawed porcelain crab

The broad-clawed porcelain crab is a charismatic little rock poolers favourite. It is the most common species of porcelain crab found in the UK and can often be found clinging tightly to the underside of rocks below mid tide level.
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Description:

Small (up to 15mm long), flattened with large wide claws. Claws and body quite hairy. Upperside brown in colour, underside more pale. Like all false crabs it has long antennae and only three pairs of walking legs.

Taxonomy:

The species name is Porcellana platycheles

Kingdom: Animalia – ‘animals’, Phylum: Arthropoda – ‘arthropods’, Subphylum:  Crustacea – ‘crustaceans’, Order: Decapoda – ‘crayfish, crabs, lobsters, prawns, and shrimp’, Infraorder: Anomura – ‘false crabs’, Family: Porcellanidae – porcelain crabs

Habitat:

Under rocks and boulder in the mid and low shore. Particularly fond of muddy environments.

Diet:

Primarily a filter feeder, using it’s fan-like mouthparts to remove tiny bits of food from the water. It may also sometimes feed directly from the sea floor.

Rock Pool Project:

This species has been found regularly at our events and is the 20th most recorded species of the 120 discovered by our project to date. It has been discovered at 12 of our survey sites. Being a member of the false crabs group it is included in our false crab biodiversity surveys and we therefore have both presence and absence records for the species from various sites.

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