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Marine Animal Encyclopedia

Bluntnose Sixgill Shark Hexanchus griseus

The bluntnose sixgill shark is an enormous deep-water shark sometimes spotted by divers in shallow water at night, but its more usual haunt is rocky seamounts and mid-ocean ridges. Its thick-set, powerful body has one dorsal fin, a large mouth lined with comb-like teeth, and six gill slits. Its fins are soft and flexible, not rigid like those of most sharks. Fish, rays, squid, and bottom-living invertebrates are the bluntnose sixgill shark’s typical prey, although larger adults sometimes also hunt for seals and cetaceans.

Bluntnose Sixgill Sharkzoom image
  • Order Hexanchiformes
  • Length Up to 18 ft (5.5 m)
  • Weight Up to at least 1,300 lb (600 kg)
  • Depth Up to 7,550 ft (2,300 m)
  • Distribution Tropical and temperate waters worldwide
Bluntnose Sixgill Shark habitat mapzoom image