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 |
|---|---|
| Sockeye salmon (Snake River ESU) (Oncorhynchus nerka pop. 1) | Fish |
| Soupfin (Galeorhinus galeus) | Fish |
| Southern rock sole (Lepidopsetta bilineata) | Fish |
| Speckled sanddab (Citharichthys stigmaeus) | Fish |
| Splitnose rockfish (Sebastes diploproa) | Fish |
| Spotted ratfish (Hydrolagus colliei) | Fish |
| Starry flounder (Platichthys stellatus) | Fish |
| Steelhead (Oncorhynchus mykiss) | Fish |
| Steelhead (Lower Columbia River DPS) (Oncorhynchus mykiss pop. 14) | Fish |
| Steelhead (Middle Columbia River DPS) (Oncorhynchus mykiss pop. 17) | Fish |
| Steelhead (Puget Sound DPS) (Oncorhynchus mykiss pop. 37) | Fish |
| Steelhead (Snake River DPS) (Oncorhynchus mykiss pop. 13) | Fish |
| Steelhead (Upper Columbia River DPS) (Oncorhynchus mykiss pop. 12) | Fish |
| Striped marlin (Tetrapturus audax) | Fish |
| Striped Surfperch (Embiotoca lateralis) | Fish |
| Surf smelt (Hypomesus pretiosus) | Fish |
| Threespine stickleback (Gasterosteus aculeatus) | Fish |
| Tiger muskie (Esox masquinongy x Esox lucius) | Fish |
| Tiger Rockfish (Sebastes nigrocinctus) | Fish |
| Tiger trout (Salmo trutta x Salvelinus fontinalis) | Fish |
| Tui chub (Siphateles bicolor) | Fish |
| Umatilla dace (Rhinichthys umatilla) | Fish |
| Vermilion rockfish (Sebastes miniatus) | Fish |
| Walleye (Sander vitreus) | Fish |
| Walleye pollock (Gadus chalcogrammus) | Fish |