Photo of a collared water scavenger beetle showing back.

    Water Scavenger Beetles

    Beetles in the family Hydrophilidae
    Photo of a water scorpion, genus Ranatra, captured in a jar of pond water.

    Water Scorpions

    Ranatra spp. and Nepa apiculata
    Water springtails congregate in water above soggy dead leaves

    Water Springtail

    Podura aquatica
    Photo of a single water strider

    Water Striders

    Aquarius remigis; also species in the genus Gerris
    Photo of researcher holding a gilled siren

    Western Lesser Siren

    Siren intermedia nettingi
    Image of a mosquitofish

    Western Mosquitofish

    Gambusia affinis
    Photo of a whirligig beetle viewed from above

    Whirligig Beetles

    Species in the beetle family Gyrinidae
    Image of white bass

    White Bass

    Morone chrysops
    Image of white crappie

    White Crappie

    Pomoxis annularis
    white heelsplitter

    White Heelsplitter

    Lasmigona complanata
    yellow sandshell

    Yellow Sandshell

    Lampsilis teres
    Zebra Mussel

    Zebra Mussel

    Dreissena polymorpha
    invasive icon

    Invasive

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