Scientific name: Diodon liturosus
Taxonomy: Kingdom Animalia → Phylum Chordata → Subphylum Vertebrata → Infraphylum Gnathostomata → Parvphylum Osteichthyes → Gigaclass Actinopterygii → Class Actinopteri → Subclass Teleostei → Order Tetraodontiformes → Family Diodontidae → Genus Diodon
Locations: Indo-Pacific
Group: Marine Life → Fish → Porcupinefishes
When they're scared, they suck water into their stomach and puff up. But seriously, do not do that to the poor fish, or I will make sure the fish is not the only creature sucking water on that dive.