IUCN threat status:

Endangered (EN)

Comprehensive Description

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  Common names: houndshark (English), tollo (Espanol)
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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© Shorefishes of the tropical eastern Pacific online information system. www.stri.org/sftep

Source: Shorefishes of the Tropical Eastern Pacific Online Information System

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