porpoise shark, noun phrase

Origin:
AfrikaansShow more Translation of Afrikaans tornynhaai, see tornynhaai.
With distinguishing epithet designating a shark of the Isuridae:
great porpoise shark, the great white shark Carcharodon carcharias;
blue porpoise shark, the mako shark Isurus mako; jumping jack. In both senses also called tornynhaai.
1930 [see tornynhaai].
1947 K.H. Barnard Pict. Guide to S. Afr. Fishes 13Blue Porpoise Shark (Isurus glaucus), 15 ft.
1949 J.L.B. Smith Sea Fishes of Sn Afr. 50Isurus glaucus...Blue Pointer. Mako Shark. Snapper Shark. Blue Porpoise Shark.
1957 [see jumping jack].
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