Learn more about a specific fish or wildlife species in Washington.
Species marked with an AIS badge are aquatic invasive species. For more information about these environmentally and economically destructive species, visit the Aquatic invasive species page.
| Species | Category |
|---|---|
| Inland redband trout (landlocked pops) (Oncorhynchus mykiss gairdneri) | Fish |
| Island marble (Euchloe ausonides insulanus) | Butterflies and moths |
| Jack mackerel (Trachurus symmetricus) | Fish |
| Johnson's hairstreak (Callophrys johnsoni) | Butterflies and moths |
| Juba skipper (Hesperia juba) | Butterflies and moths |
| Juniper hairstreak (Columbia Basin segregate) (Callophrys gryneus) | Butterflies and moths |
| Keen's myotis (Myotis keenii) | Mammals |
| Kelp greenling (Hexagrammos decagrammus) | Fish |
| Killdeer (Charadrius vociferus) | Birds |
| Killer whale (Orcinus orca) | Mammals |
| Kincaid meadow vole (Microtus pennsylvanicus kincaidi) | Mammals |
| Kokanee (Oncorhynchus nerka) | Fish |
| Labrador sulphur (Colias nastes streckeri) | Butterflies and moths |
| Lahontan Cutthroat Trout (Oncorhynchus clarkii henshawi) | Fish |
| Lake chub (Couesius plumbeus) | Fish |
| Lake trout (Salvelinus namaycush) | Fish |
| Lake whitefish (Coregonus clupeaformis) | Fish |
| Larch Mountain salamander (Plethodon larselli) | Amphibians |
| Largemouth bass (Micropterus salmoides) | Fish |
| Largescale sucker (Catostomus macrocheilus) | Fish |
| Lazuli bunting (Passerina amoena) | Birds |
| Leatherback sea turtle (Dermochelys coriacea) | Reptiles |
| Leopard dace (Rhinichthys falcatus) | Fish |
| Leschi's millipede (Leschius mcallisteri) | Arthropods |
| Lesser goldfinch (Spinus psaltria) | Birds |