| Blunthead puffer | |
|---|---|
| Drawing by Dr Tony Ayling | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Tetraodontiformes |
| Family: | Tetraodontidae |
| Genus: | Sphoeroides |
| Species: | S. pachygaster |
| Binomial name | |
| Sphoeroides pachygaster (Müller & Troschel, 1848) |
|
The blunthead puffer, Sphoeroides pachygaster, is a pufferfish of the family Tetraodontidae, found circumglobally in tropical and temperate seas, at depths between 50 and 500 m. Its length is up to 40 cm.