Littorina lepida Gould, 1849
This species lives lower on rocks than does L. planaxis, and migrates up and down rocks with the tide. It crawls out of tidepools at night. Often, it hides at low tide in cracks or barnacle shells. The waves on both sides of the foot are out of phase with one another (ditaxic). It feeds mainly on diatom films, microscopic algae, lichens, etc., and will also feed on Pelvetia, Ulva, and other larger algae. L. scutulata breeds in all seasons except summer. Eggs are laid underwater, individually packaged in flattened capsules within a sausage-shaped gelatinous mass coiled in a spiral and holding over 2000 eggs. Its eye anatomy is similar to that of the land snail Helix aspera. In Oregon, over 10% of individuals harbor parasitic flukes.Leptasterias hexactis feeds on this snail. It is distributed from Kodiak Island, Alaska, to Bahia de Tortuga, Baja California.
- Littorina scutulata Gould, 1849. Reid, David G. (2009). Littorina scutulata Gould, 1849. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=445657 on 6 June 2010.
- Littorina scutulata Rosario Beach Marine Laboratory Littorina scutulata at the Encyclopedia of Life
- Media related to Littorina scutulata at Wikimedia Commons
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