Very nice fish! Well, don't forget. There are 3 different types of xingu type bass. The rio xingu is 1,700 miles long and branches off into a lot of tributaries. Upper, middle, and lower xingu all have bass im sure.
As for the bars on these guys, if you look at some of the pics of cj's, the bars inbetween the 3 main bars are starting to fade out a bit and are the the same size as the 3 main ones. Intermedias bars are all the same size until you get to the back of the body where it gets smaller.
I think the ones with lots of bars are xingu III like these guys. Only time will tell!

nice fish regardless
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