Fiddler ray

Genus of cartilaginous fishes

Trygonorrhina, also known as the fiddler rays or banjo rays, is a genus of guitarfish, family Rhinobatidae. The two species are found along the eastern and southern coasts of Australia. They are benthic in nature, favoring shallow, sandy bays, rocky reefs, and seagrass beds.

From Wikipedia, under CC BY-SA. More on occurri.