Also known as Balloonfish, Black-spotted Porcupinefish, Blowfish, Freckled Porcupinefish, Giant Porcupinefish, Globefish, Hedgehog, Hedgehogfish, Porcupine Puffer, Pufferfish, Spiny Box Puffer, Spiny Boxfish, Spiny Puffer, Spotted Porcupine, Spotted Porcupinefish, Spotted Spiny Puffer, Swelltoad.
Found singly, in caves and holes in shallow reefs, also deeper waters of lagoons and seaward reefs.
They feed nocturnally, on hard shell invertebrates.
This one was under the steps of our bungalow.
Length - 70cm
Depth - 0-50m
Porcupinefish spines lay flat, but when threatened they can inflate like a "football with spikes" so the spines are facing outwards to deter prey. The have a plated mouth structure for crushing shells or "fingers".
Can give a nasty bite! Ref: https://www.fishbase.de/summary/diodon-hystrix.html