Goldfish will eat smaller than it fish. Because it is omnivorous fish, and like meat, almost anything to eat. In addition, other fish are small in size and weak in attack, so they are easy to become food targets for goldfish. Although it eats small fish, it does not often eat small fish. Because although the small fish attack ability is weak, but swims the speed to be quick. The goldfish's body is very bloated, swimming up relatively slow. Chasing small fish will consume too much energy, and it may not be able to catch up. Only when there is a lack of food sources will it target small fish as food. So in the non-hungry state, it will not prey on small fish.
Goldfish can be raised with small fish. It is not a very aggressive fish, and it can coexist peacefully with other fish. If you are worried that small fish will be eaten by goldfish, you can choose fish with strong swimming ability. Goldfish swim slowly. Let the fast fish live with it, the goldfish can not catch up with it, there is no need to worry about the fish will be eaten. Generally speaking, small ornamental fish are more flexible, such as lantern fish, tiger skin fish and so on can be cultured with it.
