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Updated: 06/12/2008  

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Carcharhiniformes  -  Triakidae  -  Triakis  -  Triakis acutipinna

Triakis acutipinna

All Families(148) All Genera(504) All Species(1287)
snout short, rounded
D1 midway pectoral/pelvic

mouth convex
pectorals curved
lower lobe C: curved extension


Triakis acutipinna Kato, 1968

Sharpfin houndshark

Elongate, relatively robust body;  snout short, bluntly rounded; mouth convex; eyes horizontal ovals, with ventral nictitating membranes; widely separated anterior nasal flaps do not meet mouth;  teeth semi-molar-like, with straight erect points and side points absent or poorly developed; 5 gill slits, last 2 over pectoral fin base; pectorals narrowly curved with pointed tips in adults; 2 large dorsal fins, second slightly smaller than first; first dorsal fin with vertical rear edge, centered midway between pectoral and pelvic bases; anal fin smaller than and with origin under middle of second dorsal; tail strongly asymmetrical, lower lobe with small point; fins with angular points.

Grey; no spots.

Size: 112 cm.

Habitat: continental platform.

Depth: 50-200 m.

Southern Colombia to Perú.

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