Closeup of alligator gar held in a person's hands prior to being released into water

    Alligator Gar

    Atractosteus spatula (formerly Lepisosteus spatula)
    Jagged ambush bug on a plant stem

    Ambush Bugs

    Phymata spp. and others in subfamily Phymatinae (ambush bugs)
    Venomous Icon

    Venomous

    Image of American Bullfrog

    American Bullfrog

    Lithobates catesbeianus (formerly Rana catesbeiana)
    Image of an american eel

    American Eel

    Anguilla rostrata
    image of Walker's Cicada clinging to a perch

    Annual Cicadas

    Neotibicen spp. (in Missouri) (formerly Tibicen)
    several yellow aphids on plant

    Aphids

    More than 1,300 species in North America north of Mexico
    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 two ash tree boletes, tan pored mushrooms, one overturned showing pores

    Ash Tree Bolete

    Boletinellus merulioides
    fork and knife icon

    Edible

    Photo of backswimmer, side view

    Backswimmers

    About 32 North American species in the family Notonectidae
    Photo of a belted crayfish, also called Big River crayfish.

    Belted Crayfish (Big River Crayfish)

    Faxonius harrisonii (formerly Orconectes harrisonii)
    Photo of a Big Creek crayfish.

    Big Creek Crayfish

    Faxonius peruncus (formerly Orconectes peruncus)
    Illustration of a male black crappie in spawning coloration.

    Black Crappie

    Pomoxis nigromaculatus
    bleeding shiner

    Bleeding Shiner

    Luxilus zonatus
    image of greenbottle fly on carcass

    Blow Flies (Bottle Flies)

    About 84 species in North America.
    Illustration of a male bluegill

    Bluegill

    Lepomis macrochirus
    Image of a bowfin

    Bowfin

    Amia calva
    Image of a brook silverside

    Brook Silverside

    Labidesthes sicculus
    Image of brown trout

    Brown Trout

    Salmo trutta
    Gray, speckled, translucent gelatinous blob cut in half to show structure

    Bryozoans (Moss Animals)

    Freshwater species in the phylum Bryozoa
    Several regal fritillaries feeding on butterfly weed

    Butterflies and Skippers

    More than 700 species in North America north of Mexico
    Photo of a papershell crayfish, also called calico crayfish.

    Calico Crayfish (Papershell Crayfish)

    Faxonius immunis (formerly Orconectes immunis)
    Color illustration of Central Mudminnow

    Central Mudminnow

    Umbra limi
    exclamation mark

    Endangered

    Photo of a central newt adult on a plastic aquarium plant.

    Central Newt

    Notophthalmus viridescens louisianensis
    Image of a central stoneroller

    Central Stoneroller

    Campostoma pullum
    Image of a chain pickerel

    Chain Pickerel

    Esox niger
    channel catfish

    Channel Catfish

    Ictalurus punctatus
    Image of a chestnut lamprey

    Chestnut Lamprey

    Ichthyomyzon castaneus
    Photo of two Chinese mystery snails, on a white background, with a ruler nearby for scale.

    Chinese Mystery Snail

    Cipangopaludina chinensis malleata (syn. Bellamya chinensis)
    invasive icon

    Invasive

    Illustration of common carp

    Common Carp

    Cyprinus carpio
    invasive icon

    Invasive

    Common Shiner

    Common Shiner

    Luxilus cornutus
    image of a Common True Katydid

    Common True Katydid

    Pterophylla camellifolia
    Photo of a sod webworm adult moth on a window with hind end propped up

    Crambid Snout Moths

    More than 860 species in North America north of Mexico
    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
    Image of a creek chub

    Creek Chub

    Semotilus atromaculatus
    Color illustration of Crystal Darter

    Crystal Darter

    Crystallaria asprella
    exclamation mark

    Endangered

    Color illustration of Cypress Minnow

    Cypress Minnow

    Hybognathus hayi
    exclamation mark

    Endangered

    Photo of an adult damselfly on a twig next to water.

    Damselflies

    Species in the suborder Zygoptera
    Photo of a devil crayfish.

    Devil Crayfish

    Lacunicambarus aff. diogenes
    Image of a differential grasshopper.

    Differential Grasshopper

    Melanoplus differentialis
    Photo of a male Banded Pennant dragonfly

    Dragonflies

    Species in the suborder Anisoptera
    image of Dung Beetle rolling a dung ball

    Dung Beetles (Tumblebugs)

    Subfamilies Scarabaeinae and Aphodiinae
    Eastern gartersnake

    Eastern Gartersnake

    Thamnophis sirtalis sirtalis
    Photo of an eastern hog-nosed snake.

    Eastern Hog-Nosed Snake

    Heterodon platirhinos
    Image of an eastern river cooter (turtle)

    Eastern River Cooter

    Pseudemys concinna concinna
    Eastern Spiny Softshell

    Eastern Spiny Softshell

    Apalone spinifera spinifera
    Photo of an eastern tiger salamander with yellow spots.

    Eastern Tiger Salamander

    Ambystoma tigrinum
    Photo of an eastern yellow-bellied racer.

    Eastern Yellow-Bellied Racer

    Coluber constrictor flaviventris
    Image of a false map turtle

    False Map Turtle

    Graptemys pseudogeographica pseudogeographica
    Photo of false turkey tail bracket fungus closeup, one showing smooth underside

    False Turkey Tail

    Stereum ostrea

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