08-15-2011, 10:27 PM
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Originally Posted by sielkirk90
I recently purchased a platy from my LFS, and now that she is home I realize she appears very pregnant.
what should I do when she has the fry? where do I keep them, how many should there be, and what do I feed them?
Hello, is she in a tank with any other fish? You have a few options, you can either leave her where she is at and provide lots of cover for the fry to hide in, floating plants, java moss works well on the bottom, and other such things to provide hiding spots. With this there is a chance that some of the fry will be eaten, but you do have a good chance of having some survive. Another option that people use is the hanging breeder nets, I would suggest using a mesh one instead of a solid plastic box. The mesh will allow water to flow through the net and will keep it from becoming stagnant. If you go with this option I would wait until just before she is ready to drop the fry before moving her. These nets can be stressful to the fish and can cause them to drop their fry early, abort, or ever reasorb the fry. The signs that you want to look for when she is getting close to dropping her fry is that she will square off, will not be as active resting more, may become uninterested in eating. Depending on her coloring you may or may not see a gravid spot, also you will see her vent start to darken up. If you use a net breeder you can keep the fry in there for quite awhile and depending on the other fish that you have until they are big enough that they will not fit into the mouths of the largest fish. The third option which I have used is to have another tank set up to put her into by herself until she drops her fry, a 5 gallon or 10 gallon will work for this. With this setup I would keep the bottom bare and use a small sponge filter. I also provide fake plants to allow the fry places to hide among until I remove the female. With this setup it gives you a place to be able to raise the fry in. After she drops the fry remove her and put her back in the other tank and at this time I would also go ahead and remove the fake plants. If you have any floating plants I would put those in there with the setup and leave them once the fry are born. You will want to have either a powdered fry food, or you can crush your flakes up real fine. I myself like the fry food, I got a jar of it for a few bucks and in four weeks have used less than a quarter of the jar so far with multiple feedings each day. As for how many, usually most platys on their first drop will not have as many, although one of my larger females dropped close to what I can count as 40 fry. As they get older you can expect them to drop more fry. Also with livebearers they can store the sperm of a male for up to 6 months, so it is possible that you may have more fry even if there are no males present in your tank. Good luck