IUCN threat status:

Least Concern (LC)

Comprehensive Description

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  Common names: smoothhound (English), tiburón (Espanol), musola (Espanol)
Mustelus californicus Gill, 1864

Grey smoothhound

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.


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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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