To set up and maintain a small goldfish aquarium, follow these tips:
Anything small. Tetras work great in small aquariums.
If the goldfish is small enough for the eel to swallow, then you can confidently expect your goldfish to be eaten.
Goldfish
it only has a small tail
Actually, goldfish do have a stomach, but it's very small, probably about the size of one of their eyes.
If the goldfish are small enough to be swallowed then in all probability that is what will happen.
If the goldfish is a fancy variety, it can live alone in a 20 gallon tank. Goldfish do not belong in tanks any smaller than this as they grow very large
Typically, it is recommended to start with one goldfish for every 20 gallons of water in a small aquarium. So, for a small aquarium of 10 gallons, you would need one goldfish to start.
Since an oranda is a type of goldfish, they will be fine together
Yes they do.
small
Yep