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Black bullhead side view photo with black background

Black Bullhead

Ameiurus melas

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

Black Crappie

Pomoxis nigromaculatus

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

Bryozoans (Moss Animals)

Freshwater species in the phylum Bryozoa

Channel catfish side view photo with black background

Channel Catfish

Ictalurus punctatus

Monkey Face Mussel

Freshwater Mussels

Bivalve molluscs in order Unionoida

giant floater

Giant Floater

Pygandon grandis

No photo available

Hydras

Various species in the genus Hydra

Johnny darter, female, side view photo with black background

Johnny Darter

Etheostoma nigrum

lilliput

Lilliput

Toxolasma parvus

pistolgrip

Pistolgrip (Buckhorn)

Tritogonia verrucosa

pond mussel

Pond Mussel

Ligumia subrostrata

spike

Spike (Ladyfinger)

Elliptio dilatata

Spotted bass side view photo with black background

Spotted Bass

Micropterus punctulatus

threeridge

Threeridge

Amblema plicata

Photo of a pink planarian on a rock.

Turbellarians (Planarians; Free-Living Flatworms)

Species in genera Dugesia, Planaria, etc.

Photo of a collared water scavenger beetle showing back.

Water Scavenger Beetles

Beetles in the family Hydrophilidae

White crappie male, side view photo with black background

White Crappie

Pomoxis annularis

white heelsplitter

White Heelsplitter

Lasmigona complanata