pest Polyp / nudibranch identification

fishx3

New member
Does anyone know what this is ? We have this in only one tank. These guys are all over. Only thing we can find are possibly zoa eating nudibranch. However, they really don't look like nudibranch. We can scrape them off with dental tools, but they just come back. They look like a polyp but you can scrape them off.
 

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Another pic

Another pic

Here is a big one in the middle of his pic and down smaller ones on bottom left
 

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anybody recognize what the items in the pics are?

anybody recognize what the items in the pics are?

anybody recognize what the items in the pics are?
 
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