BLUE SHARK

Prionace glauca

Blue Shark

SIZE

To about 12.5 ft (3.8 m).

DISTINGUISHING CHARACTERISTICS

DISTRIBUTION

Newfoundland, Canada, to Argentina, including Gulf of Mexico and Caribbean Sea. Common in U.S. Northeast and mid-Atlantic.

HABITAT

Offshore; relatively cool waters 45-70°F (7-21°C); surface to about 1,970 ft (600 m).

SIMILAR SPECIES

Shortfin mako and longfin mako have more pointed snouts, protruding smooth-edged teeth, stouter bodies, lunate caudal fins, strong caudal keels.

MORE INFORMATION

Guide to Sharks, Tunas, & Billfishes of the U.S. Atlantic and Gulf of Mexico.
Text descriptions taken from Guide to Sharks, Tunas, & Billfishes of the U.S. Atlantic and Gulf of Mexico

Blue shark length-weight relationship

A tagged blue shark

Canadian Shark Research Laboratory

Henry Mollet's Elasmobranch Research

Ichthyology at the Florida Museum of Natural History

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(File Modified Sep. 13 2011)