The fish has a length of 1.8 metres, a width of 1.8 metres and a weight of nearly 300 kilogrammes.
The ocean sunfish is the heaviest known bony fish in the world and is listed in the Vietnam Red Data Book as an endangered species.
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An adult ocean sunfish can reach weights of up to 1,000kg.
The species, which is native to tropical and temperate waters around the world, resembles a fish head with a tail, with its main body being flattened laterally.




















