New Fish: Molly or Female Swordtail

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graffl91

Aquarium Advice Newbie
Joined
May 18, 2019
Messages
2
Hello:

I purchased a fish that was marked as a molly, but I'm starting to think it's a female sword tail. What do you think?

Thanks!
 

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Looks like a molly to me but you can wait until she gets older. Mollies get around 4 inches while female swordtails get up 6-7 inches.
 
I think the difference is the mouth. Molly mouths are pointed upward while swordtail mouths are in a similar position but not so tilted....if that makes any sense.
 
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