The Koi betta is also known as the Marble betta and is basically a color morph with the familiar and universally common betta splendens. Freshwater puffers will need hard-shelled foods to keep their sharp teeth worn down, and most species are certainly not Risk-free for Neighborhood tanks. Pink Wagtail Platys https://pondcleaningservice.blogspot.com/2023/06/how-to-set-up-aquarium.html