porbeagle(redirected from Lamna nasus)
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Related to Lamna nasus: Somniosus microcephalus
, heavy-bodied, fast-swimming shark, genus Isurus, highly prized as a game fish. Also known as the sharp-nosed mackerel shark, it is a member of the mackerel shark family, which also includes the white shark and the porbeagle.
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any of several voracious sharks of the genus Lamna, esp L. nasus, of northern seas: family Isuridae