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 |
|---|---|
| Striped marlin (Tetrapturus audax) | Fish |
| Striped skunk (Mephitis mephitis) | Mammals |
| Striped Surfperch (Embiotoca lateralis) | Fish |
| Subarctic bluet (damselfly) (Coenagrion interrogatum) | Arthropods |
| Suckley's cuckoo bumble bee (Bombus suckleyi) | Arthropods |
| Surf scoter (Melanitta perspicillata) | Birds |
| Surf smelt (Hypomesus pretiosus) | Fish |
| Swainson's hawk (Buteo swainsoni) | Birds |
| Sylvan hairstreak (Satyrium sylvinum sylvinum) | Butterflies and moths |
| Talol springfly (Pictetiella lechleitneri) | Arthropods |
| Tanner crab (Chionoecetes bairdi) | Crustaceans |
| Tawny-edged skipper (Polites themistocles) | Butterflies and moths |
| Taylor's checkerspot (Euphydryas editha taylori) | Butterflies and moths |
| Tenino pocket gopher - Mazama species (Thomomys mazama tumuli) | Mammals |
| Terrestrial gartersnake (Thamnophis elegans) | Reptiles |
| Thicket hairstreak (Mitoura spinetorum spinetorum) | Butterflies and moths |
| Three-band Juga (snail) (Juga sp. 7) | Molluscs |
| Three-toed woodpecker (Picoides tridactylus) | Birds |
| Threespine stickleback (Gasterosteus aculeatus) | Fish |
| Tiger muskie (Esox masquinongy x Esox lucius) | Fish |
| Tiger Rockfish (Sebastes nigrocinctus) | Fish |
| Tiger salamander (Ambystoma tigrinum) | Amphibians |
| Tiger trout (Salmo trutta x Salvelinus fontinalis) | Fish |
| Townsend mole (Scapanus townsendii) | Mammals |
| Townsend’s big-eared bat (Corynorhinus townsendii) | Mammals |