I really like the Blue Crossbacks, and the fact they stay at 24' is just a bonus.Cross back are a different type of aro compared to red tail gold
Most high back red tail golds are red tail gold x with a cross back or a very low grade cross back or they may have been placed in a white tank from birth to make the shine level go up this shine level will drop after a few months of being in a normal tank with normal lights
If you want fast results buy a cross back
If you don't mind waiting a few years for colour buy a red as they nearly always have colour going over the back
The chances of any gold having full gold over the back is very slim in a normal tank even with a cross back
The name cross back is very misleading as not many cross
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This a Blue Crossback right?
https://www.youtube.com/watch?v=fvZNhy0CIPs