Common names: flounder (English), lenguado (Espanol)
 
Monolene dubiosa  Garman, 1899


Acapulco flounder,     Asaedae flounder,     Dark flounder


  Body elongate (depth 33-37% of SL), tapering to tail; snout very short (< eye); eyes on left side of head, close together, with a spineless crest between them; lower eye originates slightly before top eye; mouth short, ends ~ front edge lower eye;  teeth ~ equally developed on jaws on both eye- and blind-sides; 76-85 dorsal rays; 58-66 anal rays; pectoral short, ≤ ½ length of head, 9-12 rays, no pectoral on blind side in adults; base of eye-side pelvic slightly longer than base of blind-side fin, with origin behind lower eye; lateral line arched over pectoral fin; 61-74 lateral line scales.



Dark body and fins; pectoral with a large oval black spot.



Size: 13.2 cm.

Habitat: shell and mud bottoms.

Depth: 90-209 m.

Southern Baja and the SE Gulf of California to Panama.