The Koi betta is also called the Marble betta and is basically a shade morph of the familiar and universally well-liked betta splendens. The Platy is a popular preferred that’s ideal for newbies, currently being very easy to take care of and very fast to breed in the home tank. https://rarefishonline.blogspot.com/2023/06/tips-to-keep-your-fish-healthy-in-tank.html