IUCN threat status:

Least Concern (LC)

Comprehensive Description

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Description

  Common names: flounder (English), lenguado (Espanol)
 
Perissias taeniopterus (Gilbert, 1890)


Striped-fin flounder,     Flag flounder


Body elongated; eyes on left side; space between them wide and concave; lower eye partly or entirely before upper eye, serrated ridge above lower eye; mouth small, with double spine on top jaw before nostrils; single series of teeth on each jaw, equally developed on both sides;  2nd  spine of dorsal fin very long, ribbon-like; very small pectoral fin on blind-side, < ½ eye; pelvic on eye-side only slightly larger than on blind-side, origin behind lower eye, 1st  2 rays greatly elongate in male; lateral line strongly arched over pectoral, continues forwards above upper eye; scales rough on eye-side, smooth on blind side.


Upper side olive brown, many dark-bordered grey spots; ~ 5 dark blotches along length of lateral line; 5 pairs of dark ocelli along dorsal and ventral edges of body, occasional blue skin flaps along lateral line, male with blue spot at base of first 10-12 dorsal rays, plus one at end of snout, tail with 2 inner bars, outer ½ dusky; male - blind-side with dark blue-black bar covering ~ ¼ of sides, filamentous rays of dorsal and pelvic white, fins speckled, black spot at base of middle tail rays.

Size: 15 cm.

Habitat: benthic, mud and shell bottom.


Depth: 45-160 m.

Central Baja to the central Gulf of California to Ecuador.
   

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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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