Which Fish Should I Keep


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Two weeks ago the LFS was supposed to give me two female and one male Pineapple swordtails. One of the supposed females looked larger then the other M or F and would dart at the male. Earlier last week it looked like the larger F was forming a sword. I took video and showed the LFS, they agreed it was a male. Now there are two M and one F, so I need to return one of the males to the LFS. They agreed to take one of the males back. My question is, which one do I return? One is larger and more colorful, orange and yellow. The other is smaller, not quite as colorful but has black on the bottom of it's sword making for a nice contrast with the orange and yellow. Is there a difference between the two males other then color pattern? Will they both grow to the same size?
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