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Seven Gill Shark - Notorynchus cepedianus

Also known as Notorynchus cepedianus, the Seven Gill Shark is named after its unique feature of seven gill slits on each side of its head, unlike most sharks that have five. This species roams waters from British Columbia to Chile, preferring temperate regions and preying on smaller sharks, bat rays, and mackerel. Living on soft bottoms in bays and open oceans, their behavior includes constant swimming aided by a large oily liver for buoyancy. Despite being slow swimmers, they can reach speeds of up to 40mph in pursuit of prey. Learn more about this fascinating ovoviviparous predator!

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Seven Gill Shark - Notorynchus cepedianus

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  1. Animal of the Day Broadnosesevengill shark Notorynchuscepedianus

  2. Named for the 7 gill slits on each side of head (most sharks have 5) Also only one dorsal fin

  3. Species Fact SheetNotorynchuscepedianus • Root meaning • Noto (back) rhyncus (snout) • Classification • Phylum Chordata • Class Chondrychthyes • Order Hexanchiformes • Family Hexanchidae

  4. Range: • British Columbia to Chile • Habitat: • Live on soft bottoms, in bays and in open ocean down to 130 meters. Like temperate waters • Behavior: • Captive sharks will swim constantly • Large oily liver keeps shark neutrally buoyant • Long pectoral fins provide lift while swimming • Slow swimming, but can sprint up to 40 mph in pursuit of prey

  5. Diet: • Preference for smaller sharks, bat rays, and mackerel, but will eat anything that moves including seals and crabs. • Midwater hunter • Reproduction • Ovoviviparous (the eggs hatch inside the mother just before birth) • Embryos develop for about 1 year inside mother reaching app. 1.5 to 2 feet in length.

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