Comprehensive DescriptionRead full entry
| Common names: smoothhound (English), musola (Espanol), tiburón (Espanol) |
Mustelus dorsalis Gill, 1864
Elongate, slender body; eyes horizontal ovals, small, widely-set, with ventral nictitating membranes; snout long, pointed; mouth long, angular; teeth high, triangular; nostrils large, length 84-95% of distance between them; spiracle length 1.1-1.2% of TL; relatively wide between eyes (width = 5.1-6.2% of TL); 5 gill slits, last 2 over pectoral fin base; 2 large dorsal fins, second slightly smaller than first; first dorsal broadly triangular, center nearer pelvic than pectoral; anal fin smaller than and with origin under middle of second dorsal; tail strongly asymmetrical, lower lobe not expanded, not with concave rear edge; skin denticles with single point.
Grey to grey-brown, paler below; dorsal, anal and tail fins without dark, frayed rear edges.
Size: 64 cm.
Habitat: continental shelf, demersal.
Depth: 20-200 m.
The tip of Baja and central Mexico to Peru, and Malpelo.