| Euthynnus affinis | |
|---|---|
|  | |
| Scientific classification | |
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Order: | Perciformes | 
| Family: | Scombridae | 
| Genus: | Euthynnus | 
| Species: | E. affinis | 
| Binomial name | |
| Euthynnus affinis (Cantor, 1849) | |
Euthynnus affinis, the kawakawa or mackerel tuna, is a species of ray-finned bony fish in the family Scombridae, or mackerel family. It belongs to the tribe Thunnini, better known as the tunas.