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pineapple swordtail question

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Is my pineapple swordtail male or female? If it is female, is it pregnant?
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Sword tails are tricky rascals. They are all about being the alpha and have perfected competing so much that they will look like a female, mate like a female, etc until they have out grown the alpha then cross, grow a tail and boom! "come out of the closet" and is the new leader of the pact!

So yes your "girl" seems to be converting over to its true form a male with that stub.
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