Eastern Elliptio (Mussel)
(Elliptio complanata)
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Species Description
**Description:** A freshwater mussel with a dark, ellipse-shaped shell and a beautiful pearly purple or white interior.
**Size:** Shell typically 3–5 inches long.
**Sexual Dimorphism:** Males have more pointed rear shell margins; females are more rounded to accommodate gills used as brood pouches.
**Behavior:** Rare / Species of Concern. Known as the "livers" of the river, they can filter up to 10 gallons of water daily.
**Habitat:** Buried in the substrate of the Allegheny River.
**Size:** Shell typically 3–5 inches long.
**Sexual Dimorphism:** Males have more pointed rear shell margins; females are more rounded to accommodate gills used as brood pouches.
**Behavior:** Rare / Species of Concern. Known as the "livers" of the river, they can filter up to 10 gallons of water daily.
**Habitat:** Buried in the substrate of the Allegheny River.