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Species: Heptranchias perlo, Sharpnose sevengill shark

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small, slender
head narrow, pointed
eye very large
7 gill slits

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Heptranchias perlo (Bonnaterre, 1788)

Sharpnose sevengill shark

Body fusiform, slender; head narrow and pointed; eyes very large; mouth narrow, pointed; top teeth small, narrow, hooked, with small side points; lower jaw with ~5 teeth per side, those large, long and low comb-like, with 1 of points larger;  seven pairs of gill slits; one small dorsal fin at rear of body towards tail fin base; tail base long; tail very asymmetrical, with small lower lobe.

Body plain grey, without spots; dorsal fin and upper tail lobes with black tips in juvenile (faded in adults).

Size: 150 cm.

Habitat: Bottom of outer continental and insular shelves and upper slopes.

Depth: 27-1000 m.

Tropical and temperate, worldwide; N Carolina to Brazil.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Offshore Only
  • Offshore
Water Column Position
  • Near Bottom
  • Bottom
  • Bottom + water column
Habitat
  • Sand & gravel
  • Mud
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Water column
FishBase Habitat
  • Bathydemersal
Feeding Group
  • Carnivore
  • Data
Diet
  • Octopus/squid/cuttlefish
  • Bony fishes
Egg Type
  • Data
  • No pelagic larva
  • Live birth
Global Endemism
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
  • Greater Caribbean non-endemic
Regional Endemism
  • Extends North of GC
  • Continent
  • Continental primarily
  • Island (s)
  • Continent + Island (s)
  • GC non-endemic
Residency
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
IUCN Red List
  • Near threatened
  • Listed
CITES
  • Not listed
Length Max
  • 150
Depth Range Min
  • 27
Depth Range Max
  • 1000