Learn to identify these macroinvertebrates and other creatures that live in Missouri streams.
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Click here for images of Missouri River Macroinvertebrates
Pollution Sensitive
Mayfly Nymph
Stonefly Nymph
Caddisfly Larva
Gilled Snails
Dobsonfly Larva (Hellgrammites)
Water Penny Larva
Riffle Beetle (larva and adults)
Somewhat Pollution Tolerant
Alderfly Larva
Damselfly Nymph
Dragonfly Nymph
Fishfly Larva
Scud
Crayfish
Crane Fly Larva
Sow Bug
Clam/Mussel
Watersnipe Fly Larva
Pollution Tolerant
Aquatic Worm
Black Fly Larva
Midge Fly Larva
Leech
Pouch Snail (Left-Handed)
Other Snail
