There are many groups of freshwater eels inside the aquarium, and many of these are usually not genuine eels in the slightest degree! The most popular forms are from an interesting team of snake-like fish that come with the tire-track, hearth, and spiny eels. There's two platy species readily available https://kintonsaquarium.blogspot.com/2024/08/how-to-install-discus-aquarium-setup.html