Comments : This Limpet is actually white underneath, but is almost always overgrown with the crustose coralline algae that gives it that purple/red coloration.
Common name : Whitecap Limpet
Scientific Name : Acmaea mitra
Location Found : Buttertart Reef, Canada
Actual Size : 1 inch in diameter
Camera Used : Canon D60 digital in Ikelite Housing
Natural History :