Help i.d. These hitch-hickers

[nata_cheer]

So I've recently started up a BioCube29 and obviously purchased live rock and sand a few days ago. As the water started clearing up, I noticed that there was a little red dot, and a bubble next to it. Yesterday, that bubble "popped" and and a little tiny coral looking thing came out. Please help me figure out what these things are, and what to do because my tank is cycling and they probably won't survive. Ps I also found a little crab in one of my rocks, but I returned him.


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[smithpants94]

They look like a type of zoanthid and a red mushroom.. Both are pretty hardy, in my experience, but hopefully someone with a couple more notches in their belt can say something about their ability to go through a cycle


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