| Scientific name | Lactioria fornasini |
| English name | Thornback cowfish |
| Japanese name | 縞海雀 |
| Class | Actinopterygii |
| Order | Tetraodontiformes |
| Family | Ostraciidae |
| Genus | Lactioria |
| Species | fornasini |
| Subspecies | --- |
| Full length | about 20 cm. |
| Distribution | Widely distributed in the Indian and Pacific oceans. South of the Miura Peninsula in Japan. |
The puffer fish has beautiful blue spots that spread from orange to brown on its body. Some of the spots are small circles, while others are long and worm-eaten. A pair of spines protrude forward from between the eyes. It also has a spine on its back. The mouth is a little sharp. The iris is emerald green.
Inhabits coastal reefs and coral reefs, and eats small bottom animals. act mostly alone. Like other boxfish, it cannot swim fast.
During night diving at Hayakawa Beach, I took a picture of him swimming near the seabed. As it was night time, it was relaxing. The blue pattern that stretched all over the body was beautiful.
Introducing a picture of Thornback cowfish.