Oyster Shells with Parasite Marks

Zofia Anchondo
July 10, 2024
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Two oyster shells, each with a deep brown hole near the top. The smaller shell on the right also has bluish-black bumps on it.
Zofia Anchondo

Oyster shell from the Harris Creek sanctuary, with two holes from a boring sponge attack and marks on the right shell from a mud blister worm. 

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