PORBEAGLE

Lamna nasus

SIZE

To about 12 ft (3.7 m).

DISTINGUISHING CHARACTERISTICS

DISTRIBUTION

Newfoundland, Canada, to MA, seasonally to NJ. Common in U.S. Northeast.

HABITAT

Continental shelf waters from surface to bottom to 1,200 ft (366 m) and <66°F (19°C); juveniles farther inshore.

SIMILAR SPECIES

White shark, shortfin mako and longfin mako lack any secondary keels on caudal fins, lateral cusplets on teeth. White shark has triangular teeth with serrated edges, blunter snout.

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

Porbeagle length-weight relationship

Shortfin mako and porbeagle comparison

Photo 1

Photo 2

Canadian Shark Research Laboratory

Henry Mollet's Elasmobranch Research

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(File Modified Sep. 13 2011)