I purchased my Hippo Tang when it was the size of a toonie less than a year ago. It is now a good 4 to 5". I bought a Fowleri about 8 months ago as well. Started out about 5" and is now approx. 8". My Purple Tang looks the same as the day I bought it though and my Sailfin has grown a good 1 to 2" as well over 8 months.
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