Species in Washington
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 |
| Iranian Long-Legged frog (Rana macrocnemis) AIS | Amphibians |
| Island marble (Euchloe ausonides insulanus) | Butterflies and moths |
| Italian Agile frog (Rana latastei) AIS | Amphibians |
| Italian Crested newt (Triturus carnifex) AIS | Amphibians |
| Italian green frog (Rana bergeri) AIS | Amphibians |
| Italian Hybrid frog (Rana hispanica) AIS | Amphibians |
| Italian newt (Triturus italicus) AIS | Amphibians |
| Italian Stream frog (Rana italica) AIS | Amphibians |
| Iverson's Pond turtle (Mauremys iversoni) AIS | Reptiles |
| Jack mackerel (Trachurus symmetricus) | Fish |
| Japanese brown frog (Rana japonica) AIS | Amphibians |
| Japanese Clawed salamander (Onychodactylus japonicus) AIS | Amphibians |
| Japanese oyster drill (Ocinebrellus inornatus) AIS | Molluscs |
| Japanese Pond turtle (Mauremys japonica) AIS | Reptiles |
| Japanese Tree frog (Hyla japonica) AIS | Amphibians |
| Japanese Tree toad (Hyla ussuriensis) AIS | Amphibians |
| 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 |
| Karpathos Water frog (Rana cerigensis) AIS | Amphibians |
| Keen's myotis (Myotis keenii) | Mammals |
| Kelp greenling (Hexagrammos decagrammus) | Fish |
| Killer whale (Orcinus orca) | Mammals |
| Kincaid meadow vole (Microtus pennsylvanicus kincaidi) | Mammals |