Iowa DNR
BioNet
River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments

Physa Physid Snails

Taxa Hierarchy

Phylum
Mollusca
Class
Gastropoda
Order
Basommatophora
Family
Physidae
Genus
Physa
Species

Stats

Total Individuals Collected
18,077
Number of Unique Sites Collected
741

ITIS Links

TSN
Parent TSN

Metric Values

Tolerance
8.0
FFG
Scraper
Habit
Unidentified
CW Ind
False

Taxa Distribution Map