Comprehensive DescriptionRead full entry
| Common names: smoothhound (English), tiburón (Espanol), musola (Espanol) |
Mustelus californicus Gill, 1864
Elongate, slender body; short, narrow head; snout pointed; mouth short (length ~ eye length), angular; eyes horizontal ovals, with ventral nictitating membranes; teeth low, with irregular blunt edges; nostril length 63-77% of distance between nostrils; wide between nostrils; spiracle length 0.3-0.8% of TL; upper and lower lip folds ~ same length; 5 gill slits, last 2 over pectoral fin base; 2 large dorsal fins, second slightly smaller than first dorsal triangular, with midpoint nearer origin of pelvic than origin of pectoral; anal fin smaller than and with origin under middle of second dorsal; tail strongly asymmetrical, lower tail lobe not expanded, not with concave rear edge; crowns of skin denticles on flank elongate, pointed, sometimes with canal in front half.
Grey, paler below; rear edges of dorsal, anal and tail fins not dark.
Size: 124 cm.
Habitat: offshore, continental shelf, demersal, often on mud bottoms.
Depth: 2-95 m.
California to the Gulf of California and central Mexico.