Field Guide

Aquatic Invertebrates

Showing 11 - 20 of 32 results
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deertoe
Species Types
Scientific Name
Truncilla truncata
Description
A common mussel in some areas, deertoe have decorative green markings.
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fragile papershell
Species Types
Scientific Name
Leptodea fragilis
Description
A widespread mussel that relies on freshwater drum as host fish for the developing young.
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monkeyface
Species Types
Scientific Name
Quadrula metanevra
Description
Finding the monkey’s face in this mussel's shell is left up to the imagination.
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mucket
Species Types
Scientific Name
Actinonaias ligamentina
Description
One of the most widespread and numerous mussels in southern Missouri.
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pimpleback
Species Types
Scientific Name
Quadrula pustulosa
Description
While the pimpleback is usually bumpy, some individuals are perfectly smooth.
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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.
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pond mussel
Species Types
Scientific Name
Ligumia subrostrata
Description
This widespread species is one of the few Missouri mussels successful in shallow ponds and lakes.
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scaleshell
Species Types
Scientific Name
Leptodea leptodon
Description
Rarely seen, this endangered freshwater mussel has a thin and delicate shell that is strikingly beautiful inside.
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Snuffbox
Species Types
Scientific Name
Epioblasma triquetra
Description
The snuffbox has been classified as endangered in Missouri and is a candidate for federal endangered status. Perhaps it should also be a candidate for a new common name, since the popularity of snuff-taking is long past.
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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.
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.