pregnant fat emergency

Hi guys, new here not sure if I’m doing this right but I think my guppy fish is pregnant because she recently got huge but doesn’t have much of the black near her tail... I just put her in a separate tank (it’s a vase that’s all I had On hand) and she is kind of freaking out I’m not sure if i...

I have a good and black tuxedo molly and she has been getting bigger and bigger. First noticed her being big just before Christmas and now she is giant. I originally thought she was pregnant but now I'm not sure any help would be appreciated. Sorry picture isn't very good.

Hello everyone. I've been trying to breed my Zebra Danio's for quite some time now. Yesterday I noticed my fish were chasing each other and all females were bloated, but there was one that was so bloated that her spine was bent inwards. Today morning I checked to notice most of the females were...