Rock Beauty Angelfish (Holacanthus tricolor)
The rock beauty is a bold black and yellow Caribbean angelfish, but its sponge-based diet makes it hard to keep. Here is what you need to know.
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Cherub Angelfish (Centropyge argi)
The cherub angelfish is the smallest Centropyge, a deep-blue fish with a yellow face that fits in a nano reef. Here is how to keep Centropyge argi.
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