01-24-2011, 10:33 AM
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the color changing is normal in the gravid spot. my female guppy's gravid spot changes from black to red quite a bit. Sounds like the move to a new tank stressed her and she absorbed the first pregnancy, however they can have many batches of fry from on mating so it looks like your guppy is developing more baby fry inside her(thats why the spot changes color). I would read up on what to look for so you can tell when she will have the fry. also what to do with the fry once she has them.