Peter's Toby

Found singly or in pairs, amongst branches of corals, under ledges, or out in the open, over inter-tidal reef flats, of lagoons and seaward reefs.
Indian Ocean - Oman, East Africa to the Andaman Sea

The bodies of Pufferfish are covered in a toxic mucus, if the skin or flesh is consumed it can be fatal to humans.
When threatened they will puff up like a football to deter predators.