Acmaea mitra: whitecap limpet– The Race Rocks taxonomy

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Introduction:The White Cap Limpet, very common on the British Columbia coast, is usually found on the lower zones as compared to the intertidal zones of other limpets. White cap limpets shells are white in colour amd rather thick in nature. The animal extends from 19-44cm (0.75-1.75″) in size.

The limpet, however, can only be seen as white after it is dead. When alive, it usually is covered by a pinkish coralline algae, Lithothamniom sp. which is also its main source of food. This forms an excellent comouflage. It’s predators include sea stars.

References: now defunct
http://web.mit.edu/corrina/tpool/limpets.html#whitecap
http://www.gastropods.com/shell_pages/m/Shell_Acmaea_mitra.html
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pearsonlogo2_f2The Race Rocks taxonomy is a collaborative venture originally started with the Biology and Environmental Systems students of Lester Pearson College UWC. It now also has contributions added by Faculty, Staff, Volunteers and Observers on the remote control webcams. January2002-Amardeep Kaur (PC yr. 27)