| Congroidei | |
|---|---|
|   | |
| European conger, Conger conger | |
|  Scientific classification   | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Order: | Anguilliformes | 
| Suborder: |  Congroidei  Bleeker, 1864 [1]  | 
| Families | |
See text  | |
Congroidei is a suborder of ray-finned fishes belonging to the order Anguilliformes, the eels. These eels are mostly marine, although a few species of snake eel will enter freshwater, and they are found in tropical and temperate waters throughout the world. [2]
Congroidei contains the following extant families and subfamilies: [3] [4]