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Melanie
There is a problem in the aquarium called bryopsis (tree-like algae). It was in one of the live rock tanks. I didn't know back then that it was not just a macroalga, but a terrible nuisance that can reproduce incredibly quickly and take up space on the rocks. At first, I tried to pull it out by hand, but this only resulted in small fragments spreading throughout the tank. Now this creature is even on the back wall... Since Iām thinking of getting some animals, I want to kill two birds with one stone. Which invertebrates or fish can help eliminate bryopsis? Do sea urchins fight this stuff? I've heard it's toxic. Today, on the seriatope, in the spot where bryopsis extended its hairy arm, I noticed a blackened tip. I broke it off just to be safe...