Order: Esociformes (Pikes and mud-minnows)
Family: Esocidae (Pikes)
| Genus/Species | Common Name | Image |
| Esox americanus | Red-fin pickerel |  |
| Esox aquitanicus | Aquitanian pike |  |
| Esox cisalpinus | Unspecified |  |
| Esox lucius | Northern pike |  |
| Esox masquinongy | Muskellunge |  |
| Esox niger | Chain pickerel |  |
| Esox reichertii | Amur pike |  |
Family: Umbridae (Mud-minnows)
| Genus/Species | Common Name | Image |
| Dallia admirabilis | Unspecified |  |
| Dallia delicatissima | Unspecified |  |
| Dallia pectoralis | Alaska black-fish |  |
| Novumbra hubbsi | Olympic mud-minnow |  |
| Umbra krameri | Mud-minnow |  |
| Umbra limi | Central mud-minnow |  |
| Umbra pygmaea | Eastern mud-minnow |  |