Liocarcinus navigator

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Liocarcinus navigator
Liocarcinus navigator.jpg
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Brachyura
Family: Portunidae
Genus: Liocarcinus
Species: L. navigator
Binomial name
Liocarcinus navigator
(Herbst, 1794)
Synonyms [1]
  • Cancer navigator Herbst, 1794
  • Liocarcinus arcuatus (Leach, 1814)
  • Polybius arcuatus (Leach, 1814)
  • Portunus arcuatus Leach, 1814
  • Portunus emarginatus Leach, 1814
  • Portunus guttatus Risso, 1816
  • Portunus infractus Otto, 1828

Liocarcinus navigator is a species of crab in the family Portunidae.[2]


This species is found chiefly around the British Isles; its range covers the north-east Atlantic Ocean, including the North Sea as far north as Trøndelag in Norway, and as far south as Mauritania, and it also occurs in the Mediterranean Sea.[3][4]


Liocarcinus navigator has a dark brown carapace up to approximately 33 millimetres (1.3 in) wide,[3] with lighter pereiopods.[5] The frontal margin of the carapace, between the eyes, has a fringe of hair but no spines.[3][5]


Two subspecies are recognised:[1]

  • Liocarcinus navigator rondeletii (Risso, 1816)
  • Liocarcinus navigator navigator (Herbst, 1794)

Further reading[edit]


  1. ^ a b Peter Davie, Charles Fransen & Michael Türkay (2012). "Liocarcinus navigator (Herbst, 1794)". World Register of Marine Species. Retrieved December 8, 2012. 
  2. ^ 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. 
  3. ^ a b c Kåre Telnes (February 13, 2012). "Arch-fronted swimming crab – Liocarcinus navigator". The Marine Flora & Fauna of Norway. Retrieved December 8, 2012. 
  4. ^ Sven Gehrmann (2008). "Schwimmkrabbe, Polybius navigator (Herbst, 1794)". Die Fauna der Nordsee – Niedere Tiere I: Krebstiere, Asselspinnen, Ringelwürmer, Stachelhäuter, Manteltiere & Schwämme [The fauna of the North Sea – lower animals I: crustaceans, sea-spiders, annelids, echinoderms, molluscs and sponges] (in German). 1. Books on Demand. p. 80. ISBN 9783981255300. 
  5. ^ a b Mario de Kluijver & Sarita Ingalsuo. "Liocarcinus arcuatus". Macrobenthos of the North Sea – Crustacea. Marine Species Identification Portal. Retrieved December 8, 2012.