Field Guide

Aquatic Invertebrates

Showing 1 - 2 of 2 results
Media
Photo of a Salem cave crayfish.
Species Types
Scientific Name
Cambarus hubrichti
Description
The Salem cave crayfish lives in caves in the Missouri Ozarks. Its localized distribution makes its populations vulnerable to catastrophes that might pollute or damage their cave environment.
Media
Photo of a pink planarian on a rock.
Species Types
Scientific Name
Dugesia, Planaria, and other genera
Description
Unlike their parasitic cousins in the flatworm group, turbellarians, or planarians, are tiny carnivores or detritus-eaters that glide smoothly across submerged leaves and other objects.
See Also

About Aquatic Invertebrates in Missouri

Missouri's streams, lakes, and other aquatic habitats hold thousands of kinds of invertebrates — worms, freshwater mussels, snails, crayfish, insects, and other animals without backbones. These creatures are vital links in the aquatic food chain, and their presence and numbers tell us a lot about water quality.