Cerith shell erosion

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BristleWormHater

BristleWormHater

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A lot of the ceriths at my favorite lfs have this erosion around their shells, they still clean and seem totally fine and it doesn't seem to be progressing, but what caused this?
20240903_103459.jpg
 
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WHAT’S USUALLY THE FIRST CLUE THAT SOMETHING IS OFF IN YOUR REEF?

  • A fish’s behavior or appetite changes

    Votes: 5 9.3%

  • A coral looks different or stops opening normally

    Votes: 37 68.5%

  • Water clarity or surface appearance changes

    Votes: 7 13.0%

  • Equipment sounds or flow seem different

    Votes: 7 13.0%

  • A test result catches my attention

    Votes: 13 24.1%

  • Algae or other growth starts changing

    Votes: 12 22.2%

  • I usually notice when the problem is already obvious

    Votes: 3 5.6%

  • It depends on what’s going on

    Votes: 9 16.7%

  • Other (Post in the comments)

    Votes: 1 1.9%
See comments…

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