Gouramis are an awesome centerpiece fish for just a tropical fish tank. The array of different colors, styles, and sizes implies there’s a gourami species for any person! Although they do not look like regular fish, rays undoubtedly are a type of cartilaginous fish, and also the Ornate Sleeping Ray https://customaquariumtanks.blogspot.com/2024/12/4-tips-for-buying-fish-tank.html