Sunfish
Alternative names: Ocean sunfish, Mola mola
Ocean Sunfish is the heaviest bony fish in the World and is native to tropical and temperate waters. It has a circular shape which is also reflected by its name "Mola" which translates to "millstone".
It is a rather peaceful species which pose no threat to divers.
Ocean Sunfish is also considered a delicacy in some regions but in others it is considered bad luck to kill it.