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 |
|---|---|
| Shortraker rockfish (Sebastes borealis) | Fish |
| Shortspine thornyhead (Sebastolobus alascanus) | Fish |
| Shrew-mole (Neurotrichus gibbsii) | Mammals |
| Side-blotched lizard (Uta stansburiana) | Reptiles |
| Sidestripe shrimp (Pandalopsis dispar) | Crustaceans |
| Signal crayfish (Pacifastacus leniusculus) | Crustaceans |
| Silver-bordered fritillary (Boloria selene atrocostalis) | Butterflies and moths |
| Silver-haired bat (Lasionycteris noctivagans) | Mammals |
| Silvergray rockfish (Sebastes brevispinis) | Fish |
| Siuslaw sand tiger beetle (Cicindela hirticollis siuslawensis) | Arthropods |
| Slender-billed white-breasted nuthatch (Sitta carolinensis aculeata) | Birds |
| Slimy sculpin (Cottus cognatus) | Fish |
| Smallmouth bass (Micropterus dolomieu) | Fish |
| Snow bunting (Plectrophenax nivalis) | Birds |
| Snow goose (Anser caerulescens) | Birds |
| Snowy owl (Nyctea scandiaca) | Birds |
| Sockeye salmon (Oncorhynchus nerka) | Fish |
| Sockeye salmon (Ozette Lake ESU) (Oncorhynchus nerka pop. 2) | Fish |
| Sockeye salmon (Snake River ESU) (Oncorhynchus nerka pop. 1) | Fish |
| Sonora skipper (Polites sonora sonora) | Butterflies and moths |
| Sooty grouse (Dendragapus fuliginosus) | Birds |
| Soupfin (Galeorhinus galeus) | Fish |
| Southern alligator lizard (Elgaria multicarinata) | Reptiles |
| Southern rock sole (Lepidopsetta bilineata) | Fish |
| Speckled sanddab (Citharichthys stigmaeus) | Fish |