Also known as Grass Pufferfish, Grassy Pufferfish, Pufferfish.
Found singly or in schools over brackish waters and sometimes freshwaters of harbours, lagoons and coastal reefs.
They feed on hard shell invertebrates.
Length - 15cm
Widespread Northwest Pacific
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. Ref: https://www.fishbase.se/summary/13077