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 |
|---|---|
| Compton tortoiseshell (Abagrotis vittifrons) | Butterflies and moths |
| Coonstripe shrimp (Pandalus danae, Pandalus hypsinotus, Pandalus goniurus) | Crustaceans |
| Copablepharon columbia moth (Copablepharon columbia) | Butterflies and moths |
| Copablepharon mutans moth (Copablepharon mutans) | Butterflies and moths |
| Copablepharon viridisparsa hopfingeri moth (Copablepharon viridisparsa hopfingeri) | Butterflies and moths |
| Cope's giant salamander (Dicamptodon copei) | Amphibians |
| Copper rockfish (Sebastes caurinus) | Fish |
| Cougar (Puma concolor) | Mammals |
| Coyote (Canis latrans) | Mammals |
| Crowned tightcoil (snail) (Pristiloma pilsbryi) | Molluscs |
| Curlfin sole (Pleuronichthys decurrens) | Fish |
| Cutthroat trout (Oncorhynchus clarkii) | Fish |
| Dall's porpoise (Phocoenoides dalli) | Mammals |
| Dalles hesperian (snail) (Vespericola depressa) | Molluscs |
| Dalles juga (Juga hemphilli dallesensis) | Molluscs |
| Dalles sideband (snail) (Monadenia fidelis minor) | Molluscs |
| Darkblotched rockfish (Sebastes crameri) | Fish |
| Deacon rockfish (Sebastes diaconus) | Fish |
| Desert striped whipsnake (Coluber [Masticophis] taeniatus taeniatus) | Reptiles |
| Destruction Island shrew (Sorex trowbridgii destructioni) | Mammals |
| Dog Star skipper (Polites sonora siris) | Butterflies and moths |
| Dolly Varden trout (Salvelinus malma) | Fish |
| Dolphinfish (Coryphaena hippurus) | Fish |
| Domestic (European) rabbit (Oryctolagus cuniculus) | Mammals |
| Douglas squirrel (Tamiasciurus douglasii) | Mammals |