Species Identification Confidence:
I'm absolutely certain
Individual(s) Observed (seen)
2/3 of clams killed by raccoons were Anodonta californiensis and 1/3 were Gonidea angulata at this site. Live and recent dead specimens. Collection by hand and dip net along 500' transect. Collectors: Frest and Edward Johannes.
Decimal Degrees: 42.6,-114.7
River rapids (now mostly drowned). Boulders common on both sides of the river, less common in the central channel. Mud and gravel bottom. Zannichellia common. Elodea sp. and Potamogeton crispus are present.
Game Management Unit:
July 13, 1991 (All day)
Unpublished agency report