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Looking at my lemon tetras today, I noticed something about the different sexes that I've never seen mentioned in books or on the 'Net. My female lemon tetras each seem to have a small spot of white on the tip of their anal fin, and have very little (if any) black on their pelvic fins. Also, it seems that the elongated part of their anal fin (the 'point', I guess you could say) curves toward their tails a little bit. My males have no white on their anal fin, their pectoral fins are fringed with a millimeter or so of black, and their anal fin tip (when flexed out) is perfectly straight, and doesn't curve at all. Has anyone else noticed this? I've just never seen a mention of this before, and I was wondering if it was normal.

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And when he gets to Heaven, to Saint Peter he will tell: "One more Marine reporting, Sir! I've served my time in Hell."

depends on the geograpic local of the fish just like rummies they do have slightly different colourings depending on where there from
also thro inbreeding if u got farmed ones just like yellow labs some r faded n washed out revealing black n brown n white in areas on some individuals

I haven't heard anything about inbreeding in lemon tetras though, and the only color differences are between the two sexes. I assume that most of them came from the same area, because I bought them in groups.

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And when he gets to Heaven, to Saint Peter he will tell: "One more Marine reporting, Sir! I've served my time in Hell."