Field Guide

Aquatic Invertebrates

Showing 1 - 10 of 20 results
Media
elktoe
Species Types
Scientific Name
Alasmidonta marginata
Description
The elktoe is one of many Missouri mussels with a declining population.
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plain pocketbook
Species Types
Scientific Name
Lampsilis cardium
Description
The plain pocketbook is one of the most common and widespread mussels in our state. It is oval, relatively large, and occurs frequently.
Media
threeridge
Species Types
Scientific Name
Amblema plicata
Description
Sometimes called the blue-point, this mussel species is widely distributed in Missouri rivers and is occasionally found along reservoir margins.
Media
Two pairs of Asian clam shells, still hinged together, showing exterior and interior
Species Types
Scientific Name
Corbicula fluminea
Description
The Asian clam is a nonnative, invasive species that lives in a variety of aquatic habitats. It has thick shells with distinctly ridged, concentric rings and a yellowish-brown to dark brown shell covering.
Media
butterfly
Species Types
Scientific Name
Ellipsaria lineolata
Description
The butterfly is one of the most beautiful of Missouri’s mussels.
Media
deertoe
Species Types
Scientific Name
Truncilla truncata
Description
A common mussel in some areas, deertoe have decorative green markings.
Media
ellipse
Species Types
Scientific Name
Venustaconcha ellipsiformis and V. pleasii
Description
These small mussels use darters, a type of fish, as hosts for their young.
Media
fatmucket
Species Types
Scientific Name
Lampsilis siliquoidea
Description
The fatmucket was a favorite species harvested for the button industry in the early 1900s.
Media
fragile papershell
Species Types
Scientific Name
Leptodea fragilis
Description
A widespread mussel that relies on freshwater drum as host fish for the developing young.
Media
maple leaf
Species Types
Scientific Name
Quadrula quadrula
Description
The mapleleaf spawns in the summer, using catfish as a host.
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.