Urchin eating coralline

Vette67

Reefing since 1997
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Here’s how a rock urchin cleans up about a 1” circular “bubble” of coralline on my front glass. I watched him eat that shadow blob of coralline in the top picture, then he moved down to that larger, lower blob.
D9BDDA83-A089-4F33-AFBF-1CCD7263A1C5.jpeg


Then about a half an hour later, the blob was 3/4 gone.
EFD6F4DA-FF7A-4E29-ACFE-2863EA038ACB.jpeg


And then finally, the whole blob was gone. Just an outline of where it used to be.
F54CD2DE-03D2-418D-8823-795F2A614530.jpeg


Took about 45 minutes to an hour total to eat it.

I just thought it was cool to watch....
 

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