Alabama shad side view photo with black background

    Alabama Shad

    Alosa alabamae
    Photo of an alderfly larva among rocks and gravel in an aquarium.

    Alderfly Larvae

    Sialis spp.
    Alligator gar side view photo with black background

    Alligator Gar

    Atractosteus spatula (formerly Lepisosteus spatula)
    American eel side view photo with black background

    American Eel

    Anguilla rostrata
    Photo of an aquatic isopod in an aquarium, crawling on a rock.

    Aquatic Pillbugs and Sowbugs (Aquatic Isopods)

    Freshwater members of the crustacean order Isopoda
    Photo of a spotted fishing spider perched on the water's surface amid floating duckweed plants

    Aquatic Spiders

    Dolomedes spp., Tetragnatha spp., and others
    Photo of backswimmer, side view

    Backswimmers

    About 32 North American species in the family Notonectidae
    Bighead carp side view photo with black background

    Bighead Carp

    Hypophthalmichthys nobilis
    invasive icon

    Invasive

    Bigmouth buffalo side view photo with black background

    Bigmouth Buffalo

    Ictiobus cyprinellus
    Black buffalo side view photo with black background

    Black Buffalo

    Ictiobus niger
    Black bullhead side view photo with black background

    Black Bullhead

    Ameiurus melas
    Black carp side view photo with black background

    Black Carp

    Mylopharyngodon piceus
    invasive icon

    Invasive

    Black crappie, male in spawning colors, side view photo with black background

    Black Crappie

    Pomoxis nigromaculatus
    Blue catfish side view photo with black background

    Blue Catfish

    Ictalurus furcatus
    Bluefer

    Bluefer (Purpleshell)

    Potamilus purpuratus
    Bluegill male in spawning colors, side view photo with black background

    Bluegill

    Lepomis macrochirus
    Bowfin side view photo with black background

    Bowfin

    Amia calva
    Brook silverside side view photo with black background

    Brook Silverside

    Labidesthes sicculus
    Brown bullhead side view photo with black background

    Brown Bullhead

    Ameiurus nebulosus
    Gray, speckled, translucent gelatinous blob cut in half to show structure

    Bryozoans (Moss Animals)

    Freshwater species in the phylum Bryozoa
    butterfly

    Butterfly

    Ellipsaria lineolata
    Photo of caddisfly larva with case made of detritus

    Caddisfly Larvae

    Various species in the order Trichoptera
     Central mudminnow side view photo with black background

    Central Mudminnow

    Umbra limi
    exclamation mark

    Endangered

    Channel catfish side view photo with black background

    Channel Catfish

    Ictalurus punctatus
    Chestnut lamprey side view photo with black background

    Chestnut Lamprey

    Ichthyomyzon castaneus
    Common carp side view photo with black background

    Common Carp

    Cyprinus carpio
    invasive icon

    Invasive

    Photo of crane fly larva

    Crane Fly Larvae

    There are over 500 species of crane flies in North America.
    Photo of a spothanded crayfish viewed from above on white background.

    Crayfishes

    About 36 species in Missouri
    Photo of a damselfly nymph on rocks in an aquarium.

    Damselfly Larvae

    Species in the suborder Zygoptera
    Orangethroat darter male in spawning colors, side view photo with black background

    Darters

    Etheostoma, Percina, Ammocrypta, and Crystallaria spp.
    deertoe

    Deertoe

    Truncilla truncata
    Photo of a dragonfly larva resting on a stone.

    Dragonfly Larvae

    Species in the suborder Anisoptera
    Photograph of Ebonyshell freshwater mussel shell exterior view

    Ebonyshell

    Fusconaia ebena
    exclamation mark

    Endangered

    elktoe

    Elktoe

    Alasmidonta marginata
    Photo of a fishfly larva crawling among rocks in an aquarium.

    Fishfly Larvae

    Chauliodes, Neohermes, and Nigronia spp. (in eastern US)
    Flathead catfish side view photo with black background

    Flathead Catfish

    Pylodictis olivaris
    Flathead chub side view photo with black background

    Flathead Chub

    Platygobio gracilis
    exclamation mark

    Endangered

    fragile papershell

    Fragile Papershell

    Leptodea fragilis
    Freckled madtom side view photo with black background

    Freckled Madtom

    Noturus nocturnus
    Freshwater drum side view photo with black background

    Freshwater Drum

    Aplodinotus grunniens
    Photo of a freshwater jellyfish

    Freshwater Jellyfish

    Craspedacusta sowerbii (syn. C. sowerbyi)
    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    giant floater

    Giant Floater

    Pygandon grandis
    Photo of a giant water bug

    Giant Water Bugs

    Species in the genera Abedus, Belostoma, and Lethocerus
    Venomous Icon

    Venomous

    Photo of several prosobranch pond snails crawling on a rock.

    Gilled Aquatic Snails (Prosobranch Pond Snails)

    Over 20 Missouri species in former subclass Prosobranchia
    Gizzard shad side view photo with black background

    Gizzard Shad

    Dorosoma cepedianum
    Golden shiner male, side view photo with black background

    Golden Shiner

    Notemigonus crysoleucas
    Goldeye side view photo with black background

    Goldeye

    Hiodon alosoides
    Goldfish side view photo with black background

    Goldfish

    Carassius auratus
    Grass carp side view photo with black background

    Grass Carp

    Ctenopharyngodon idella
    invasive icon

    Invasive

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