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265 results
invasive
Snake River Cutthroat Trout
Fish -
![Baby Snapping Turtle, Wayne D. Lewis](https://cpw.widen.net/content/bf6cb9a5-3f8c-472d-8815-ffa4ada6a7d6/web/Baby%20Snapping%20Turtle%20by%20Wayne%20D.%20Lewis%20Profile.jpg?w=480&itok=6HqnV4ij)
invasive
Snapping Turtle
Reptile - Chelydra serpentina
![Snowshoe, NPS](https://cpw.widen.net/content/4405c39e-3516-45c1-8c66-45ed7d896867/web/Snowshoe%20NPS%20Profile.jpg?w=480&itok=lwyRcPZD)
invasive
Snowshoe Hare
Mammal - Lepus americanus
![Spiny soft-shell turtle. Sam Stuckel/USFWS](https://cpw.widen.net/content/f3fdd083-43c2-47cc-bdbb-fb4f99eb775a/web/Spiny%20softshell%20turtle%20Sam%20Stukel%20FWS%20Profile.jpg?w=480&itok=QXWHCpiB)
invasive
Spiny Softshell Turtle
Reptile - Apalone (Trionyx) spinifera
invasive
Splake
Fish -
![Spongy Moth Caterpillar. Dennis Wilkinson CC SA-BY-NC](https://cpw.widen.net/content/f20c08a8-6355-40d8-a488-b76b3addaedf/web/Spongy%20Moth%20Caterpiller%20Dennis%20Wilkinson%20CC%20SA-BY-NC.jpg?w=480&itok=a0Jy0_UU)
invasive
Spongy Moth
Insect - Lymantria dispar
invasive
Spotted Bass
Fish - Micropterus punctulatus
![Spotted bat, NPS](https://cpw.widen.net/content/0b3a3ac6-74d3-4732-9d7e-8343f2d478af/web/Spotted%20bat%20NPS%20Profile.jpg?w=480&itok=47VLbnEx)
invasive
Spotted Bat
Mammal - Euderma maculatum
![This species needs a photo.](https://cpw.widen.net/content/4c3f462c-9cb0-4b0b-a3e8-2e3dd11a0592/web/This%20species%20needs%20a%20photo.png?w=480&itok=vGa_A6Rk)
invasive
Striated Fingernail Clam
Mollusk - Sphaerium striatinum
invasive
Striped Bass
Fish - Morone saxatilis
![Striped Whipsnake, Cindy McIntyre, NPS](https://cpw.widen.net/content/6971e2e8-c6eb-4ced-86fc-c62dcd61b54a/web/Striped%20Whipsnake%20NPS%20Cindy%20McIntyre%20Profile.jpg?w=480&itok=aG3REDn4)
invasive
Striped Whipsnake
Reptile - Coluber taeniatus
![Swampy Lymnaea. Hans Zwitzer, BY-SA-NC](https://cpw.widen.net/content/a6b66e18-0588-4f7c-a65e-4efea7e9124c/web/Swampy%20lymnaea%20Hans%20Zwitzer%20BY-NC-SA%20Profile.jpg?w=480&itok=Hb4OSTFh)
invasive
Swampy Lymnaea
Mollusk - Lymnaea (Stagnicola) stagnalis
![Physa snail. Gail Hampshire CC 2.0](https://cpw.widen.net/content/3e38a815-d06a-4012-a255-df78c1f8fbd3/web/Physa%20Gail%20Hampshire%20CC2%20Profile.jpg?w=480&itok=w5vGTMkF)
invasive
Tadpole Physa
Mollusk - Physa (Physella) acuta
invasive
Tench
Fish - Tinca tinca