Today I noticed a small brownish flatworm on one of my mushroom corals in my tank. It was not the normal red type of flatworm that I have seen in several books. How concerned should I be with seeing this in my tank. It must have been a hitchhiker on one of my corals. If anyone knows of any links to good information on these animals please let me know.
Flatworm....
- Thread starter Ex-Reefer
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