The common snapping turtle, indigenous to the eastern United States, can reach up to 18” in length. Its top shell is strongly serrated and varies from tan/brown to olive to almost black. Its long tail has three rows of saw-tooth keels.
It is illegal in the state to buy, sell, possess or release this non-native turtle. If you’ve just realized you are in possession of a non-native turtle, contact your local ODFW office.