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Porbeagle Shark

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Porbeagle

Porbeagle showing white area at base of dorsal

The Porbeagle Shark (Lamna nasus) grows up to 300cm in British waters.

IdentificationEdit

Upper body surface varies from blue through to dark grey whilst the underside is usually white. Has a secondary longtitudinal keel on either side of the tail (see photo - a porbeagle caught, tagged and released in the English Channel) which is not present on a Mako.

Rear edge of first dorsal fin, always has a w
Porbeagle shark

Porbeagle Shark DaveP

hite patch.This patch is never found in Makos

BreedingEdit

Ovoviviparous (live bearing) Litter size usually between 2/4 pups - 50/75cm at birth. Female Porbeagles probably mature at 5 years old (length approximately 200cm)

HabitatEdit

Found from the surface layers down. Prefers water temperatures of below 190C. Known to inhabit reefs and wrecks.

FoodEdit

Fish (Pollack, Cod, Ling, Coalfish, Bass, Hake, Mackerel, Herring) and Squid.

RangeEdit

Eastern Atlantic. For the UK, present at most of our coast-lines.

Additional NotesEdit

Weight potential in the order of 700lbs. A second similar species is thought to exist, though not fully studied - Spotted Porbeagle.

ReferencesEdit

The Aquarium Project

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