I’ve kept a yellow eye kole for years (RIP thanks to an ****** PBT) and a Tomini (currently 1 year in a 125) The Tomini came in super-duper small and has grown much slower than any other tang I’ve kept. Bristletooth tangs are among my favorite genus by a mile. Super docile, great grazer and fun to watch bob-around.
Any tang can be kept in a small tank for a short period of time (e.g. quarantine) but if your plan is to keep them for 5-10+ years, you will run into an issue eventually in anything less than a 6ft tank IME and multiple adult tangs will eventually get restless and stressed in even that. In a 75 for example, I’d have no problem keeping a yellow and a Tomini long term, especially if it’s a CB yellow. Acantharus, Naso, Regal, larger Zeb’s like sailfin no way.
I currently have a 5+ year old Regal in a 125 I raised from a baby. He’s a total fatty but is reaching that point where he’s outgrown the space and is becoming restless. I have plans to rehome him soon to something much larger where I have no doubt he’ll happily thrive for many more years.
Any tang can be kept in a small tank for a short period of time (e.g. quarantine) but if your plan is to keep them for 5-10+ years, you will run into an issue eventually in anything less than a 6ft tank IME and multiple adult tangs will eventually get restless and stressed in even that. In a 75 for example, I’d have no problem keeping a yellow and a Tomini long term, especially if it’s a CB yellow. Acantharus, Naso, Regal, larger Zeb’s like sailfin no way.
I currently have a 5+ year old Regal in a 125 I raised from a baby. He’s a total fatty but is reaching that point where he’s outgrown the space and is becoming restless. I have plans to rehome him soon to something much larger where I have no doubt he’ll happily thrive for many more years.