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This was a fairly noticeable sea invertebrate, maybe 3-4 inches in size. Its sweeping movement in the water is akin to that of a Roomba's over smooth rocks, with sea snails as onlookers.
Spotted in the rocky Pacific intertidal zone at Tongue Point Marine Sanctuary, close to dusk.
Chitons appear to be a pretty heterogeneous group, but I had a hard time telling this mollusc apart from M. ciliata, the northern hairy chiton. The species are very similar except for their bristles and range.
Spotted on Jun 16, 2019
Submitted on Jun 8, 2020