also: にしねずみざめ
noun
porbeagle; Lamna nasus
A species of mackerel shark. The Japanese name is usually written in katakana. Related to モウカザメ (salmon shark).
See also: モウカザメ
ニシネズミザメは北大西洋に生息するサメの一種です。
The porbeagle is a species of shark that lives in the North Atlantic.
モウカザメ (salmon shark) is a closely related species in the same genus, found in the North Pacific.
The name ニシネズミザメ literally means 'western rat shark', likely from its western distribution (relative to Japan) and a resemblance to a rat, but the exact origin is uncertain.