Blue Shark
Prionace glauca

Physical Description:

  • Large, graceful, slim, shark
  • Maximum length of 12 feet but usually around 9 feet in length
  • Usually dark blue in color with unmistakably long pectoral, or side, fins


  • Worldwide oceans


  • Temperate and tropical seas
  • Open ocean far from the coasts


  • Primarily small squid, as well as crustaceans, small to large fish, seabirds, and even other, smaller species of sharks


  • Orcas, larger sharks, such as the great white shark and shortfin mako shark¬†

Interesting Facts:

  • Possibly the most wide-ranging shark in the world
  • The Blue shark can travel tens of thousands of miles in a year, and can travel across whole ocean basins multiple times in their lifetime
  • They use their large pectoral fins to ride the currents to conserve energy while migrating.

Sources: Sharks of the World: An annotated and illustrated catalogue of shark species known to date; Oceana; Newfoundland Department of Fisheries and Aquaculture; NOAA SWFSC

Photo: Walter Heim

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