Mollusca
The most common molluscs are the dreissenid mussels, which can be quite numerous. Dreissenids are identified to species, measured by length, and weighed by size class. Other molluscs are identified and weighed for biomass but not sized.
Species list
Bivalvia
- Dreissena polymorpha
- Dreissena rostriformis bugensis
- Pisidium spp.
- Musculium/Sphaerium spp.
Gastropoda
- Bithynia tentaculata
- Ferrissia rivularis
- Gyraulus spp.
- Helisoma anceps
- Physa sp.
- Potamopyrgus antipodarum
- Probythinella lacustris
- Somatogyrus subglobosus
- Stagnicola sp.
- Valvata lewisi
- Valvata perdepressa
- Valvata piscinalis
- Valvata sincera
- Valvata tricarinata