marsh periwinkle diet
Marsh periwinkles lay individual eggs into the water. Periwinkles rise and fall with each tide, feeding on algae growing on the blades of grass. Their spiraling, grooved shell has a slightly pointed spire and varies in color from grayish-white to tan. The specific epithet irrorata means 'moistened' or 'dewy.' The marsh periwinkle is a small snail with a thick, spiraling shell. Found in low, sheltered tidal marshes and wetlands, usually living on needlerush and saltmarsh cordgrass stalks.Get the latest updates on our work delivered to your inbox.The Chesapeake Bay Program is a unique regional partnership that has led and directed the restoration of the Chesapeake Bay since 1983.© 2020 Chesapeake Bay Program All Rights Reserved It lives in tidal marshes and wetlands throughout the middle and lower Chesapeake Bay. Their spiraling, grooved shell has a slightly pointed spire and varies in color from grayish-white to tan. Money Point is the site of wetlands restored by the Elizabeth River Project. Reddish-brown flecks appear on the spiral ridges of the shell. Marsh periwinkles grow to 1 inch in length.
Blue crabs, mud crabs and terrapins prey upon marsh periwinkles. (Photo by Will Parson/Chesapeake Bay Program) It will avoid predators by climbing up marsh grass stalks. (Photo by Will Parson/Chesapeake Bay Program)Marsh periwinkles cling to saltmarsh cordgrass (Spartina alterniflora) at Money Point in Chesapeake, Va., on Oct. 25, 2015.
Found in low, sheltered tidal marshes and wetlands, usually living on needlerush and saltmarsh cordgrass stalks. Marsh periwinkles grow to 1 inch in length. Littoraria irrorata, common name the marsh periwinkle, is a species of sea snail, a marine gastropod mollusk in the family Littorinidae.
Marsh periwinkles cling to saltmarsh cordgrass at Money Point in Chesapeake, Va., on Oct. 25, 2015. The marsh periwinkle grazes on algae and detritus on the surface of plants and the ground. Eggs hatch into free-swimming larvae, which develop into small snails in mid-summer. Reddish-brown flecks appear on the spiral ridges of the shell.
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