Shorefishes of the Greater Caribbean online information system

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Genus: Isurus, Mako Sharks


All Families:   All Genera:   All Species:

slender
snout long, conical
D1 behind pectoral
tail base 1 keel
teeth long, curved, not serrated

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ISURUS

MAKO SHARKS

Body slender, fusiform, with long, conical snout; nostrils on side of snout; mouth a narrow parabola; teeth few, sharp, long, narrow, not serrated; origin of first dorsal fin a little behind pectoral base; 5 long gill slits, all before pectoral; second dorsal and anal fins very small; tail almost symmetrical, semilunar; tail base flattened, with large keel that extends onto tail.

There are two species in this genus, with apparently worldwide distributions in tropical to temperate regions. Both species occur in our region.