The ocean sunfish is among the largest bony fish on Earth, instantly recognisable by its flattened, disc-shaped body and small mouth set in an almost comical expression. Divers encounter them most often in open water or near the surface, drifting slowly or basking in warm currents. Despite their ungainly appearance, they are efficient hunters of jellyfish and small crustaceans, and can be surprisingly curious about divers who approach with patience and respect for their space.
Most likely to be seen at
Sites where its range and habitat make it likely — not yet confirmed by a logged sighting.