Gasterosteoidei
| Gasterosteoidei | |
|---|---|
| Three-spined sticklebacks, Gasterosteus aculeatus | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Order: | Perciformes | 
| Suborder: | Gasterosteoidei Pietsch,1978 | 
| Type species | |
| Gasterosteus aculeatus | |
| Families | |
| See text | |
Gasterosteoidei is a suborder of ray-finned fishes that includes the sticklebacks and relatives, the 5th edition of Fishes of the World classifies this suborder within the order Scorpaeniformes.