WebUtterbackia imbecillis, commonly called the paper pondshell, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. Description. … WebAn abundant population of the paper pondshell (Utterbackia imbecillis), a native freshwater mussel, has taken residence at High Point Lake with numerous empty shells found washed along the lake’s shoreline.
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WebSimilar species: Giant floater, paper pondshell. Description: Shell large, thin, nearly circular, and compressed to slightly inflated in some individuals. Anterior and ventral margins broadly rounded, posterior end bluntly pointed. Dorsal margin flattened and nearly straight. Umbos low, flattened, not raised above the hinge line. WebLength: 2.5 inches (6.4 cm). Other common names: Cylinder. Key characters: Thin shell, without teeth, fine V-shaped beak sculpture. Similar species: Creeper , paper pondshell , giant floater. Description: Shell thin, elongate, elliptical, and inflated in females and older males. Anterior end rounded, posterior end bluntly pointed. hemocyte plus 106 1 mg
PFBC 2007 Biologist Report - High Point Lake - PA.Gov
WebPaper pondshell has a thinner shell and a flatter umbo. Size Adult length: 3-8 inches. Where To Find Found in almost all rivers south of the Missouri River except for a few in the south-central area along the Arkansas border. Also found in five rivers north of the Missouri River. Habitat and Conservation Food Status Life Cycle Human Connections WebThe acute toxicity of photoactivated anthracene and pyrene to the glochidial larvae of the paper pondshell (Utterbackia imbecillis) was characterized in the laboratory using two sets of experiments. Acute toxicity tests designed to determine the overall sensitivity of glochidia to anthracene and pyrene were conducted under simulated sunlight ... WebThe Paper Pondshell ( Utterbackia imbecillis) must be 3.5 inches long, bag limit 20-half shells a day. (Isn’t that a great name, Utterbackia imbeciles? It’s also fairly common in … hemocyte plus cost