Mola is a genus of large, flat-bodied fish found in tropical and subtropical oceans around the world. The most common species is the Ocean SUNFISH, which is also known as Mola mola. It is the heaviest bony fish in the world, with an average weight of 1, 000 kg (2, 200 lbs). The Ocean SUNFISH has a flattened body and a short tail, and can reach up to 3 meters (10 feet) in length. It feeds on jellyfish, plankton, and small fish, and is often seen basking in the sun near the surface of the water.