Species catalogue


Order Decapoda
Family Geryonidae

Marine decapod crustacean. Large deep-sea crab; body hexagonal, widest anteriorly, its surface uneven but rather smooth, with grooves. Front with 4 short and broad teeth, no median tooth; anterolateral margin with 5 blunt, wide, obscure teeth (outer angle of orbit included), of which the second and fourth are particularly indistinct. Chelipeds slightly unequal in shape and size; last 4 pairs of legs equal or almost so, smooth, without hairs or spines; meri without distal spine; dactyls dorsoventrally flattened. Colour: dirty brownish or yellowish, or a rather uniform colouring without distinct pattern. Maximum length: carapace to 14 cm long and 16 cm wide.

FAO code
Chaceon maritae
FAO Fishing Areas
  • Area 34: the Eastern Central part of the Atlantic Ocean
  • Area 47: the Southeastern part of the Atlantic Ocean
Fishing seasons
feb mar apr may jun jul aug sep oct
International denominations
France Gérion ouest afticain
Portugal Caranguejo
United Kingdom Crab
Fishing areas
Fishing arts
Pots traps

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