Why second thoughts on the Kole? Do you mean in favour of one of the others?
Here's my take on those 4 species. Bear in mind I don't have any of these 4.
- The Kole would make a nice addition to your tank. As it is different than the other 3, you might get away with one of the others as well.
- Purple tangs almost always start off with ich but if you can get one past the first bit, they do better. However, they are a boss fish and will quickly fight their way to establish ranking. I.e., they can get a little mean.
- Powder brown and powder blues are both very striking fish. Both have reputations for being on the delicate side, but are also among the smaller Acanthurus species. Overall, they might not be my first choice for a "first tang".
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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