IUCN threat status:

Least Concern (LC)

Comprehensive Description

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  Common names: tonguefish (English), lengua (Espanol), lengüeta (Espanol)
Symphurus williamsi Jordan & Culver in Jordan, 1895

Yellow tonguefish,     William's tonguefish

Body highly compressed, elongate, oval, tapers to pointed tail; small close-set eyes on left side, pupils with small covers; snout rounded; mouth small, curved, strongly so on blind side; margin of preoperculum concealed by skin and scales; dorsal origin ~ above upper eye; dorsal rays 89-95; anal rays 73-79;  dorsal and anal fins confluent with the pointed tail fin; only left pelvic fin present, 4 rays, on body midline, joined to anal fin by delicate membrane; pectoral fins absent, represented by a fine membrane;  tail with 12 rays; no lateral line; scales rough, on both sides of body;  rays of dorsal and anal on blind side covered with rough scales; scales in longitudinal series 86-96.

Top side yellow to pale or dark brown; sometimes narrow, irregular, diffuse crossbars; dorsal, anal and tail fin uniform; inside operculum dark; lining of gut cavity not dark.

Size: 12 cm.

Habitat: sandy bottoms, including tidepools, estuaries and bays.

Depth: 1-55 m.

Southern Baja to the Gulf of California to Peru.


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© 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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