The
ocean sunfish or
common mola,
Mola mola, is the heaviest known
bony fish in the world. It has an average adult weight between . The
species is native to
tropical and
temperate waters around the globe. It resembles a fish head with a tail, and its main body is flattened laterally. Sunfish can be as tall as they are long when their
dorsal and ventral
fins are extended.