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| Common names: sole (English), lenguado-redondo (Espanol), suela (Espanol) |
Trinectes fluviatilis (Meek & Hildebrand, 1928)
Body oval; head short and deep; eyes on right side; eyes moderate (19-23% of head length), close together (space between eyes ~ ½ eye diameter); no ring of cirri around front nostril on eye-side; snout rounded; mouth small, arched, reaching only a little beyond front edge of eye, lower lip on eye-side with short fringes; front margin of head with short tentacles; rear edge of preopercle covered with skin, visible as a superficial groove; gill openings wide, united before pelvic fins; without opening connecting gill chambers on both sides; dorsal origin ~ above eye; dorsal rays 53-57; anal rays 41-43; no pectorals in 2/3 of fish; pelvic on eye side fused to anal; pectorals present or absent; lateral line from head to tail, straight, with perpendicular branches running across body; body covered with rough scales; scales in longitudinal series 90-98; opercular margin on blind side mostly with scales.
Eye-side pale brown; ~ 10 indistinct dark crossbars, and large dark blotches; fins with small dark spots, forming bars on tail; blind side pale.
Size: to 15 cm.
Habitat: estuarine, entering coastal streams.
Depth: 0-10 m.
Costa Rica to northern Peru.