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Ebalia tumefacta
Species of crab From Wikipedia, the free encyclopedia
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Ebalia tumefacta, sometimes called Bryer's nut crab,[2] is a species of crab in the family Leucosiidae.[1]
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Description
Ebalia tumefacta is a small, roughly diamond-shaped crab, with noticeably bulbous branchial regions. The carapace is wider than it is long, and has minute bumps, giving it a somewhat rough texture. It grows to about 12 millimetres (0.47 in) long and 13 mm (0.51 in) wide. The colouration varies greatly. Although some may have a variegated brown and black carapace, it usually ranges from reddish to greyish-white or yellowish-grey. Sometimes it may have red spots, and occasionally may contain an orange margin and a pale pink median band.[3] The shell has a fine, granular texture. The arms are equal in length and the claws are roughly equal in size.[2]
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Distribution
This species is found from West Africa to Norway, and is especially common around the British Isles;[4] it does not occur in the Mediterranean Sea.[2]
Habitat
Ebalia tumefacta lives in muddy sand and gravel at depths of 2–15 metres (6 ft 7 in – 49 ft 3 in).[2]
References
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