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Species Identification



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Saltwater Fish Identification

Porbeagle Shark
Lamna nasus

Common Name(s):

Mackerel Shark, Salmon Shark, Herring Shark, Bonito Shark, Blue Dog, Beaumaris Shark


The Porbeagle Shark has a snout that is perfectly conical and ends in a point. They have a large, very prominent flattened keel on either side of the caudal peduncle. It is easily distinguished from other sharks by its teeth, which are smooth and have little cusps on each side of the base. It has a small secondary keel located beneath the main keel but farther back on the tail. The first dorsal fin is farther forward than on the Mako or White sharks. Its anal fin originates near the midpoint of the second dorsal fin. It has a distinguishing white patch on the free-trailing base portion of the first dorsal fin.

Similar Fish:

White and Mako sharks

Feeding Habits:

Other fish and squid.


It inhabits cool temperate waters on the North Atlantic from South Carolina to Newfoundland, and from North Africa to Norway and Iceland. It also inhabits the Mediterranean Sea and the cool temperate waters of the southern Pacific.


The Porbeagle inhabits colder waters of the ocean but has occasionally been found near shore.

Typical Size:

Adult Porbeagle's can reach a size of 12 feet in length and over 400 pounds.

World Record:

507 pounds, 0 ounces (IGFA)


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