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Species: Prionace glauca, Blue shark

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elongate
snout long, narrow
D1: low, nearer pelvic
blue
pectoral very long

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Prionace glauca (Linnaeus, 1758)

Blue shark

Body very elongate and fusiform; snout long and narrowly rounded; no spiracles; eyes round, with nictitating membrane; teeth serrated, long and triangular, broader and curved on top jaw, center tooth of top jaw very large; five gill slits, last two over pectoral; gill arches with papillae along front edge; 1st dorsal fin low, its origin well behind pectoral fins, center of base nearer pelvics than rear insertion of pectorals; no ridge between dorsals; pectorals very long, narrow, slightly curved, pointed tips; tail base with small keel; tail fin strongly asymmetrical, lower lobe of tail well developed, upper lobe with undulating ridge along its top edge, and a notch under its tip, pits at its base.

Back dark blue, flanks intense blue; belly white; tip of pectoral and anal dark.

Size: 383 cm.

Habitat: oceanic, pelagic.

Depth: 0-1160 m.

Circumglobal in all tropical and temperate seas; Canada to Argentina.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Offshore
  • Offshore Only
Water Column Position
  • Near Surface
  • Surface
  • Water column only
  • Mid Water
Habitat
  • Water column
FishBase Habitat
  • Pelagic
Feeding Group
  • Carnivore
  • Data
Diet
  • Mobile benthic crustacea (shrimps/crabs)
  • Octopus/squid/cuttlefish
  • Data
  • Pelagic crustacea
  • Sea snakes/mammals/turtles/birds
  • Bony fishes
Egg Type
  • Data
  • Live birth
  • No pelagic larva
Global Endemism
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
  • Greater Caribbean non-endemic
Regional Endemism
  • Continent
  • Extends N + S of GC
  • Extends North of GC
  • GC non-endemic
  • Extends South of GC
  • Island (s)
  • Also in Brazil
  • Continent + Island (s)
Residency
  • Resident
Climate Zone
  • Temperate (>35N)
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Listed
  • Near threatened
CITES
  • Not listed
Length Max (cm)
  • 383
Depth Range Min (m)
  • 0
Depth Range Max (m)
  • 1160