All just part of the process of a new tank. Looks like red garcilaria. A tang would make quick work of that if your tank is large enough for one. Otherwise just brush it off. Not a species to get worked up about.
All just part of the process of a new tank. Looks like red garcilaria. A tang would make quick work of that if your tank is large enough for one. Otherwise just brush it off. Not a species to get worked up about.