Scott Trexler
Scott Trexler voted up Julii Brainard's answer
The freshwater whipray (Himantura chaophraya)? Its range is over most of south east Asia and northern Australia. Like other rays, its side fins basically merge into it's flat-shaped body.

Carnegiella marthae (the black-winged hatchet fish) is a small fish with wing-like fins up on its body; their preferred habitat is flowing water; naturally found in Central … Read more
Scott Trexler
Scott Trexler voted up Anonymous' answer

The freshwater whipray (Himantura chaophraya)? Its range is over most of south east Asia and northern Australia. Like other rays, its side fins basically merge into it's flat-shaped body.

Carnegiella marthae (the black-winged hatchet fish) is a small fish beside wing-like fins up on its body; their preferred habitat is flowing water; naturally found in Central … Read more