ellipse

    Ellipse and Bleedingtooth

    Venustaconcha ellipsiformis and V. pleasii
    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    Redfin darter side view photo with black background

    Redfin Darter

    Etheostoma whipplei
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    Endangered

    round pigtoe

    Round Pigtoe

    Pleurobema sintoxia