This strange fish (yes, it is a fish!) that looks more like a gigantic rock or fossil is actually the heaviest known bony fish in the world. The Mola Mola, as the Ocean Sunfish is also known can grow up to 1.8 – 3.3m (5.9- 10.8 ft) and can weigh a staggering 1,000 kg (2,200 lbs)! Native to temperate and tropical waters around the World, this Pelagic fish can swim to depths of about 600 m (2,000 ft). This monster of a fish is seemingly docile towards humans and many divers have enjoyed the company of the Ocean Sunfish while Scuba diving. The fish however is not so loved by boaters as there have been instances of sunfish colliding with boats while surfacing causing significant damage to the boats. Ocean Sunfish can even jump out the water at the surface up to a height 10 feet (3 meters) in the air and land with a splash to shake off parasites that infest their skin. (For more read: Sumo Wrester of the Seas- The Ocean Sunfish (Mola Mola) )
