Definition of ocean sunfish
: a large bony fish (Mola mola of the family Molidae, order Tetraodontiformes) having high dorsal and anal fins and a body nearly oval in outline and attaining a length of 10 feet (3 meters) and a weight in excess of 2 tons (1.8 metric tons)
Learn More about ocean sunfish
Britannica.com: Encyclopedia article about "ocean sunfish"
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