Field Guide

Aquatic Invertebrates

Showing 1 - 10 of 29 results
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
fatmucket
Species Types
Scientific Name
Lampsilis siliquoidea
Description
The fatmucket was a favorite species harvested for the button industry in the early 1900s.
Media
maple leaf
Species Types
Scientific Name
Quadrula quadrula
Description
The mapleleaf spawns in the summer, using catfish as a host.
Media
paper pondshell
Species Types
Scientific Name
Utterbackia imbecillis
Description
Unlike most other freshwater mussels, this species is hermaphrodic: An individual mussel can be both male and female.
Media
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.
Media
yellow sandshell
Species Types
Scientific Name
Lampsilis teres
Description
The uniform shell thickness and hard, white nacre made this mussel a favorite for button manufacturing, in the days before most buttons were made of plastic.
Media
Photo of a collared water scavenger beetle showing back.
Species Types
Scientific Name
Beetles in the family Hydrophilidae
Description
Water scavenger beetles are a mostly aquatic family. They are similar to predaceous diving beetles, but unlike them many have a distinctive spine running down the center of their bellies.
Media
Photo of crane fly larva
Species Types
Scientific Name
There are over 500 species of crane flies in North America.
Description
Crane fly larvae are tan or gray grubs that live in aquatic habitats or in moist places on the ground. The harmless adults resemble huge mosquitoes.
Media
Photo of a deer fly larva, probably in a petri dish, on a gray background.
Species Types
Scientific Name
Tabanus, Chrysops, and related genera
Description
The larvae of horse and deer flies are fairly straight, segmented, wormlike maggots that are tan, whitish, or brownish. They are aquatic or live in mud, and most are predaceous.
Media
Photo of a fishfly larva crawling among rocks in an aquarium.
Species Types
Scientific Name
Chauliodes, Neohermes, and Nigronia spp. (in eastern US)
Description
Fishfly larvae look a lot like their cousins the hellgrammites, but they lack cottony or hairy gill tufts along the abdomen, and they have 2 short, fleshy tails at the hind tip.
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.