Hello, I'm 6 months into the hobby, and I noticed these small growths in my fry tank, and snapped a photo of 3 of them, but there are several attached to the driftwood. Is it a snail, an anemone, a fungus? It's almost tulip shaped and gray with a yellow center. I don't want them to hurt my fry... Any advice from experienced hobbyists would be appreciated!! Thank you!
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