Platy's are usually very cool looking fish. They usually cost around four dollars and they are supposed to breed a lot. Though in my tank they have never breed. I have had them for around three to four months. Platy's will almost always swim at the top of the tank. I have only seen them about three times when they haven't been in the top five inches of the tank. If you have a local fish store that sells freshwater fish they will most likely have Platy's. Thank you for reading my article, if you have any questions please comment.