SHORTFIN MAKO

Isurus oxyrinchus

Shortfin Mako  Shark

SIZE

To about 13 ft (4 m).

DISTINGUISHING CHARACTERISTICS

DISTRIBUTION

Newfoundland, Canada, to Brazil, including Gulf of Mexico and Caribbean Sea. Common in U.S. Northeast.

HABITAT

Offshore from surface to at least 500 ft (152 m); generally in waters >61°F (16°C).

SIMILAR SPECIES

Porbeagle has secondary keels on caudal fin, teeth with lateral cusplets; prefers colder water. Longfin mako has larger eyes, longer pectoral fins, dusky or blue-black underside of snout and area around mouth. Blue shark lacks lunate caudal fin, caudal keels, sharply pointed snout. 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

Shortfin mako length-weight relationship

Transporting a large shortfin mako

Shortfin mako (top) and porbeagle (bottom)comparison

Juvenile shortfin mako sharks

Canadian Shark Research Laboratory

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(File Modified Sep. 13 2011)