Quote:
Originally Posted by Myka
The Scribbled Rabbitfish is a poor choice for a 46-gallon aquarium. This fish gets to be 9-11" and most Rabbitfish grow fairly quickly.
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Except when they don't...
I've had a pair of doliatus for three years. They're still 4".
Paul has had a blonde naso in a 280 for the better part of a year now. He's still 7". He was living in a 120 for two and a half years prior to that.
MOST fish grow to the size of their tank. Tangs and rabbitfish are inclusive rather than exclusive to this rule. There are exceptions to like Elasmobranchs, remoras and other pelagic species.
The rabbitfish would most assuredly want a larger tank, but the idea that it will grow to its full adult size (and quickly at that) doesn't have a lot of overlap with reality. When's the last time you saw a 9" powder blue tang? Or a 10" foxface? I've seen plenty of 3-5 year old fish that are still sitting at a very manageable 4-6". If it it hasn't gotten to its adult size in that time frame, it probably isn't going to... Ever.
Anyway, back on topic - cardinals are delicate and easily beaten up. But I doubt that, unless you have seen it with your own eyes, that its due to the efforts of the ginormous and infamously vicious rabbitfish.