Species: Achirus declivis, Plainfin Sole

Achirus declivis Chabanaud, 1940

Plainfin Sole

Body oval; eyes on right side; snout rounded; front margin of head with short tentacles; mouth small, oblique, a little under snout; lips fleshy; eyes small; rear edge of preopercle covered with skin, visible as a superficial groove; gill openings wide, united before pelvic fins; an opening connects gill chambers on both sides; dorsal origin ~ above eye dorsal rays 49-60; anal rays 33-48; pelvic on eye side fused to anal fin; pectoral rays usually 5-6; lateral line from head to tail, straight, with perpendicular branches running across body; body covered with rough scales, eye-side without cirri.

Eye-side of body uniform, with ~7 thin dark crossbars rest uniform; tail fin without dark spots or blotches; no dark shading at rear of pale body on blind side.

Size: to 18 cm.

Inhabits soft bottoms in brackish to marine conditions.

Depth: 1-31 m.

The NW Caribbean to Brazil.