THRESHER SHARK

Alopias vulpinus

Thresher Shark

SIZE

To about 18 ft (5.5 m).

DISTINGUISHING CHARACTERISTICS

DISTRIBUTION

Newfoundland, Canada, to Cuba, including Gulf of Mexico. Common in U.S. Northeast.

HABITAT

Coastal and offshore from surface to 1,000 ft (305 m); juveniles farther inshore.

SIMILAR SPECIES

Bigeye thresher has large eyes directed upward, deep grooves on top of head, white abdominal coloring that does not extend above pectoral fins.

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

Thresher shark length-weight relationship

Thresher shark embryos

Canadian Shark Research Laboratory

Ichthyology at the Florida Museum of Natural History

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(File Modified Sep. 13 2011)