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This was an extraordinary colorful chiton that was about 3.5 cm long (they grow to 5cm). Each of the eight valves had a brownish background with thin blue zig-zag lines. The hairless girdle was purple with yellow patches. These colors can vary from individual to individual depending on their diet.
Spotted in a tide pool in the low tide zone (pic 3) at the Tongue Point Marine Life Sanctuary along the Strait of Juan de Fuca in Washington State. They range in the North Pacific Ocean. I usually find them in the low intertidal zone at very low tides on rocks that are encrusted by coralline algae, their main food source.
According to Wikipedia, they are preyed upon by the sea stars Pisaster ochraceus and Leptasterias haxactis.
Spotted on Jul 19, 2020
Submitted on Aug 30, 2020
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