Rabbitfish will eat hair algae -- tangs maybe... My tang never did until I got a rabbit and then the tang seemed to learn from it. I certainly wouldn't keep a rabbitfish is any tank less than 4ft however.
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Some people say, "How can you live without knowing?" I do not know what they mean. I always live without knowing. That is easy. How you get to know is what I want to know. - Richard Feynman
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