IUCN threat status:

Least Concern (LC)

Comprehensive Description

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Description

  Common names: tonguefish (English), lengua (Espanol), lengüeta (Espanol)
 
Symphurus callopterus Munroe & Mahadeva, 1989


Chocolate tonguefish,     Feather tonguefish



Body highly compressed,  elongate, oval, tapers to pointed tail; small close-set eyes on left side, with well developed covers over pupils; snout rounded; head a little wider than long; mouth small, curved, strongly so on blind side; margin of preoperculum concealed by skin and scales; dorsal origin ~ above upper eye; dorsal rays 105-114; anal rays 91-98;  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 12 rays; no lateral line; scales rough, on both sides of body; scales in longitudinal series 104-113.



Brown, 9-11 indistinct dark cross bars; dark blotch on lower ½ operculum; rear of dorsal fin and all of anal with 10-19 rectangular black blotches alternating with clear areas; tail black or with black blotches; blind side cream.

        Size: 16.2 cm.

Habitat: sand and mud bottoms.

Depth: 20-320 m.

        Southern Baja and the mouth of the Gulf of California to northern Peru.

   

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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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