Liocarcinus pusillus

Liocarcinus pusillus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Crustacea
Class:	Malacostraca
Order:	Decapoda
Infraorder:	Brachyura
Family:	Portunidae
Genus:	Liocarcinus
Species:	L. pusillus
Binomial name
	Liocarcinus pusillus; (Leach, 1815)
Synonyms [1]
	Macropipus pusillus (Leach, 1815); Polybius pusillus (Leach, 1815)[2]; Portunus parvulus Parisi, 1915; Portunus pusillus Leach, 1815;

Liocarcinus pusillus, common name dwarf swimming crab,[3] is a species of crab in the Portunidae family.[4]

Description

Liocarcinus pusillus is a small, colourful species with a broad, suboval carapace having a maximum width of 25 mm (1.0 in). However, most specimens are usually less than 20 mm (0.8 in).[4][5][5] This species occurs in a wide range of colours.[4] The front has three sharpened tusks, directed forward.[3]

Distribution

Liocarcinus pusillus occurs from North-West Africa, to Lofoten, Norway[4][5] including the North Sea.[3] It is found around the shores of: England, in such places as Northumberland, Yorkshire, The Wash, Thames, the eastern English Channel, Isle of Wight, Portland, Plymouth, the Scilly Isles, the Bristol Channel, Liverpool Bay; Scotland - Shetland, Orkney, Firth of Forth, Argyll and Clyde, The Minch; Ireland, occurring in and around Dublin, Belfast, Mayo, Galway Bay, Fastnet Rock, Cork; and elsewhere in the British Isles including the Channel Islands, Anglesey and the Isle of Man.[6]

Habitat

Specimens range intertidally up to 100 metres,[5] dwelling on sandy to stony bottoms,[4][6] but prefer gravel or stony substrates.

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References

Peter K. L. Ng, Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286. Archived from the original (PDF) on 2011-06-06.
P. Davie, C. Fransen & M. Türkay (2010). "Liocarcinus pusillus (Leach, 1816)". World Register of Marine Species. Retrieved August 23, 2010.
"Marine Species: Liocarcinus pusillus". Skaphandrus.com. Archived from the original on 2011-07-16. Retrieved 2010-08-05.
"Liocarcinus pusillus". Seawater.no. March 20, 2009. Archived from the original on July 18, 2009. Retrieved August 5, 2010.
"Liten svømmekrabbe - Liocarcinus pusillus" (in Norwegian). Marinbi.com. Retrieved August 5, 2010.
Mario de Kluiver & Sarita Ingualso. "Liocarcinus pusillus". Macrobenthos of the North Sea - Crustacea. Marine Species Identification Portal. Retrieved August 5, 2010.

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[Ng-1] Peter K. L. Ng, Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286. Archived from the original (PDF) on 2011-06-06.

[2] P. Davie, C. Fransen & M. Türkay (2010). "Liocarcinus pusillus (Leach, 1816)". World Register of Marine Species. Retrieved August 23, 2010.

[skaphandrus1-3] "Marine Species: Liocarcinus pusillus". Skaphandrus.com. Archived from the original on 2011-07-16. Retrieved 2010-08-05.

[seawater1-4] "Liocarcinus pusillus". Seawater.no. March 20, 2009. Archived from the original on July 18, 2009. Retrieved August 5, 2010.

[marinbi1-5] "Liten svømmekrabbe - Liocarcinus pusillus" (in Norwegian). Marinbi.com. Retrieved August 5, 2010.

[species-identification1-6] Mario de Kluiver & Sarita Ingualso. "Liocarcinus pusillus". Macrobenthos of the North Sea - Crustacea. Marine Species Identification Portal. Retrieved August 5, 2010.