Pineapple swordtail- 3 questions

lilytheqtpie

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I bought a female pineapple swordtail about a month ago and for the past 2 weeks I think she has been pregnant.
1) Is it possible that some days she can look more pregnant than others? 2) Also, I don't see all black in her belly; there is a mix of black and red/pink. Is the red/pink showing through under developed embryos? (That is my theory..) 3) Could being pregnant cause her to pick on others or is that just her personality?
 

TFA101

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1) Maybe she's just had too much to eat, that happens with my female platies.

2) If we could get a picture it would help alot, it very well could be.

3) Usually it's just personality, but I've had pregnant fish who got a little moody every now and then.

If there's a males in the tank you purchased her from, or in your current tank, chances are she's lost her virginity by now. Remember, female livebearers can hold sperm in a special pouch in their bodies for months and can give birth without the presence of a male.

BTW

Did I read your tank information wrong or are all the fish you have in a 3 gallon tank?
 

TFA101

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right now, I doubt she's pregnant or is in a very early stage in pregnancy, as they usually are much more swollen and the "gravid spot" is much more pronounced. I believe you are right about seeing undeveloped eggs and embryos inside her, that's what my previous swordtails had weeks before spawning
 

Alessa

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Yes, she does not look pregnant at all, but like TFA said, she might have sperm stored in her body so watch out for that!
 

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