| Common names: flounder (English), lenguado (Espanol) |
Cyclopsetta querna (Jordan & Bollman, 1890)
Body an elongate oval, depth 43-57% of SL; eyes on left side of head, separated by flat, narrow to moderate space; mouth large, top jaw 50-56% of head length, ends at or just behind rear edge of eye; jaws on blind side not arched; 1 row of immovable teeth on both jaws, with a pair of canines at front of top jaw, teeth strong & widely separated on lower jaw; gill rakers short and stout, with sharp teeth, 7-10 lower rakers; dorsal fin origin before top eye; dorsal rays 89-93; anal rays 70-74; base of eye side pelvic on body midline; urinary papilla on blind side behind anus; lateral line relatively straight, from just behind eye to base of tail fin, 87-101 scales, tubes very branched; scales small, smooth on both eyed and blind sides.
Dark brown with faint indication of lighter cross bars; 2-3 large blackish spots on dorsal and anal fins, a dark blotch in middle of tail fin.
Size: reaches at least 43 cm.
Often caught by trawlers on sand or mud bottoms.
Depth: 1-92 m.
The Gulf of California to Peru.