IUCN threat status:

Not evaluated

Comprehensive Description

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Description

  Common names: four-eye (English), four-eyes (English), cuatro-ojos (Espanol)
 
Anableps dowei Gill, 1861

Northern four-eye,     Pacific four-eyes

Elongate, body rounded at front, compressed at rear; head wide, depressed, pointed at front in side view, with upper profile horizontal; eyes elevated on top of head and divided longitudinally, producing two pupils in each eye; mouth at top front, upper jaw longer; teeth simple; nostrils tubular; gill membranes joined under throat (but not fused) to throat; pelvic fins on belly well behind tips of pectorals; dorsal fin (7-10 rays), short, well behind anal fin, at rear of body on base of tail; fertilization is internal, male sex organ is a scaly tube formed by first three anal fin rays; scales small, 50-96 in lateral series.

Upper 3/4 of body and upper ½ of head dark brown, lower parts whitish; a creamy yellow stripe along the midside from the eye to the base of the tail fin; tail, dorsal and pectoral fins dark brown, anal and pelvic fins pale brown.

Size: reaches 34 cm.

Habitat: lives at the surface layer.

Habitat freshwater, and, sometimes (as in the Gulf of Fonseca, El Salvador), in saline mangrove areas at the mouths of rivers.

Depth: 0-5 m.

Southern Mexico (Oaxaca) to Nicaragua.   

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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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