Common names: shark (English), tiburón (Espanol)
 
Echinorhinus cookei Pietschmann, 1928

Prickly shark



Body robust, cylindrical; head depressed;  teeth similar on both jaws, compressed and plate-like, each with 1 large point, adults with 3 additional small points at sides; 5 gill slits, last distinctly longer than the rest, all before pectoral; spiracles small, well behind eyes; both dorsal fins small, at rear of body, first originates behind origin of pelvic fin; pelvics large, at rear of body; no anal fin, tail fin strongly asymmetrical, lower lobe small, without notch under top tip; body densely covered with close-packed coarse, thorn-like denticles, none fused into plates with multiple points.

Uniform grey-white; white around snout and mouth.

Size: 400 cm.

Habitat: demersal.

Depth: 10-1100 m.


A subtropical to temperate Pacific species; in the eastern Pacific from Oregon to Chile (except the upper 2/3 of the Gulf of California), and Cocos, Malpelo and the Revillagigedos.