When the catfish and goldfish are in the same aquarium

where they can cause problems in the aquarium. Some catfish are carnivorous and, as you can see in the aquarium, easily devour large fish. Goldfish are also fish that, although they are prone to host and transmit aquatic parasites, but because of their beauty and cheapness, their preservation is very popular. It is recommended not to keep it next to expensive fish due to the possibility of disease