Due to recent events I now have a 100 gallon tank (60x18x20). Before this my largest tank has been a 55, so I have never had or considered having a tang. Now that I have adequate space I would like to add one, but I am relatively clueless when it comes to the behavior, needs, temperament, etc. of all of the various species. I would like to add one or two if possible, and I am looking for suggestions. I would like something other than the common Hepatus and Yellow tangs. So far I am considering something like a kole, tomini, or chevron. I really like the achilles but every online vendor lists this as a difficult species; why is that? I have heard the rule about not having more than one tang of the same genus. Is this true? Also, the kole, tomini, and chevron are similar in shape to the zebrasomas, so would they fight? Are there any acanthurus species that wouldn't get too large for this tank that you would recommend? How big do purple tangs get? Any tips or thoughts are appreciated. TIA



