About Melampus bidentatus Say, 1822
Melampus bidentatus Say, 1822 has a maximum recorded shell length of 20 mm. For this species, the minimum recorded depth is 0 m and the maximum recorded depth is 0 m. Like many other species in the same family, this snail lives in the high marsh zone of salt marshes, and it is also very common in mud located near oyster reefs. Its native range extends along the coast from Nova Scotia, Canada, to the Texas coast of the Gulf of Mexico. Researchers think this observed distribution likely covers at least three cryptic species, each with different physiological optima. Adult Melampus bidentatus can survive in terrestrial environments, but their larvae need an aquatic habitat to survive. This species feeds on decayed shoots of smooth cordgrass, Spartina alterniflora.
