Images of the animal left millions guessing – and there is some worrying news for swimmers.
The Rakyat Post identified the ocean beats as a triggerfish, and say that it is common around Malaysia.
The creature belongs to the Balistidae family and they are known for their "nasty behaviour".
According to the National Geographic, these fish are famous charging at intruders – that includes other sea creatures as well as human divers.
They "use their tough teeth and powerful jaws to fight sea urchins and crabs, but their bite can also puncture diving suits".
