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My platy looks abnormally fat, she has a reddish spot where her gravid spot should be, is she pregnant or is it an infection or just fat? This is a bit of a blurry photo but you can see her body quite clearly
Oh, thank you, it did, thought she was much bigger than my other two, but one of them is pregnant too. I have a Madagascan Rainbowfish, is he dangerous to the pregnant platies?
Not to the platies if it isn't a bully. However extremely dangerous to their fry. So I would move the platies from it so they can have their babies in a tank with no fish in. Then move the platies so the fry are on their own. This gives a 100% sure chance the platy fry won't be eaten.