Description

Also known as Balloonfish, Big Blue Diodon, Globefish, Hedgehogfish, Pelagic Porcupine Puffer, Swelltoad, Toadfish.

Found in schools over the oceans.
They feed on pelagic crustaceans, fish, fish larvae, and zooplankton.
Length - 27cm
Depth - 1-10m
Circumtropical

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-eydouxii.html