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Updated: 06/12/2008  

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Species Information          
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Lamniformes  -  Lamnidae  -  Isurus  -  Isurus oxyrinchus

Isurus oxyrinchus

All Families(148) All Genera(504) All Species(1287)
eye small

snout long, white underneath
pectoral < head


Isurus oxyrinchus Rafinesque, 1810

Shortfin mako

Body moderately slender; eye relatively small; snout relatively long and sharply pointed; nostrils on side of snout; teeth smooth-edged, long and slender at front of jaws, blade-like and triangular at rear; a large first dorsal fin, origin behind pectoral border; very small second dorsal and anal fins positioned near base of tail fin, origin of anal under middle of 2nd  dorsal base; pectoral fins relatively long and narrow, but less than head length; tail almost symmetrical, semilunar; tail base flattened, with large keel that extends onto tail fin.

Dark blue shading to nearly white on ventral parts; white under snout.

Attains >400 cm; size at birth between 60-70 cm.

Habitat: oceanic, pelagic.

Depth: 0-740 m.

Circumglobal in tropical and temperate seas; California to the Gulf of California to Chile, the oceanic islands

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