Rat fish eat fish, but they can only eat small fish. Small fish are relatively small and easy for them to swallow. Small fish have high price comparison of nutrients and good taste, so they like to eat them very much. Besides, small fish can swim in the water, and rats and fish can exercise themselves in the process of chasing small fish. They won't eat fish that are too big. There are two main reasons. On the one hand, fish are too big to swallow. On the other hand, fish that are too big will swallow them. Therefore, when feeding them, it is best to choose some small fish.
Second, what do rat fish like to eatThere are many things that rat fish can eat, such as vegetarian food, meat food and fish feed. But among so many foods, their favorite food is meat. Among them, they often eat small terrestrial animals and small aquatic animals. These small animals are rich in protein, which helps them grow and develop. They like to eat them very much.
The meat they eat mainly exists in two forms: live bait and frozen bait. Among them, live bait will carry some parasites, which will affect their health if they are not removed before feeding. If you want to feed them live bait, you need to sterilize the live bait in advance. The temperature of frozen bait is relatively low. If it is not thawed before feeding, the water temperature in the fish tank will decrease. Therefore, it is necessary to thaw and restore the frozen bait to normal temperature before feeding them.