IUCN threat status:

Least Concern (LC)

Comprehensive Description

Read full entry


  Common names: tonguefish (English), lengua (Espanol), lengüeta (Espanol)
Symphurus prolatinaris Munroe, Nizinski & Mahadeva, 1991

Half-striped tonguefish

Body highly compressed,  elongate, oval, tapers to pointed tail; small close-set eyes on left side, pupils with triangular clear covers; snout rounded; front nostril on blind side a long tube; mouth small, curved, strongly so on blind side; margin of preoperculum concealed by skin and scales; dorsal origin ~ above upper eye; dorsal rays 102-112; anal rays 85-93;  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;  a few scales on inner parts of dorsal and anal rays on blind side; scales in longitudinal series 88-100.

Top side pale to dark brown; body with 5-15 thin, diffuse, mainly incomplete, alternating bars; dorsal and anal become progressively darker to rear; tail dark, sometimes white tip; lining of gut cavity not dark.

Size: 17 cm.

Habitat: sand and mud bottoms.

Depth: 10-165 m.

Southern Baja 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

Belongs to 0 communities

This taxon hasn't been featured in any communities yet.

Learn more about Communities


EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!