BLUNTNOSE SIX GILL SHARK

Hexanchus griseus (Bonnaterre, 1758)

 

Usual Size To 482cm, although specimens off the UK usually between 150/200cm
UK Record Weight

BOAT 9lb 8oz


SHORE - Vacant 5lb Qualifying Weight

Identification Upper side of the body grey or brown and the under side lighter than the upper side. Six gill slits rather than the normal 5 as found in other shark species
Habitat Mostly a deep water shark, although juveniles have been known to come into shallower waters. Found at depths of 200/1000m. Usually located on the bottom, rarely ventures to the surface.
Range Within UK waters recorded off the coast of Ireland and Scotland
Food Boney fishes (mainly Cod, Pollack, Haddock, Pout and Hake) as well as other elasmobranchs (sharks, skates and rays). Believed it may also prey on seals.
Reproduction Aplacentally viviparous (live bearing) Litter sizes between 22 and 100 pups which are 60cm at birth.
  • Females not mature until attaining the size of 450cm to maximum length of 482cm
Additional Notes Potential weight in excess of 1000lbs.
References A Field Guide to The Sharks of British Coastal Waters - Vas 1991 FAO Species Catalogue 4 - Sharks of The World - Compagno Fishes of the North-Eastern Atlantic and the Mediterranean - Whitehead, Bauchot, Hureau, Nielsen, Tortonese Key to the Fishes of Northern Europe - Wheeler

 

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