Credit: Cabrillo National Monument
Giant Keyhole Limpet (Megathura crenulata) - These very large limpets are actually algae eaters in the intertidal area. They get their name from the large opening at the top of their shell. Their bodies are too large to fit into their shells, and their bodies can range in color from orange, brown, grey or black. Limpets are a primitive type of snail.
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