rat fish will not eat the small fry alive, because the small fry is active, and most of the rat fish are not big, and gentle, will not take the initiative to attack the fish smaller than their own size. But the mouth of moss rat fish is cheap, and they like to suck the mucus from other fish, especially the injured fish, so they are likely to eat small fry. If the breeder keeps moss rat fish, it is better to isolate them from small fry. There is no need to worry if it is a more gentle rat-fish. But ratfish may eat dead fry because they have the habit of cleaning the fish tank, so they may eat the fry as garbage.
for rat fish? Rat fish can feed some red worms, nematodes, earthworms, shrimp and so on. The protein and fat content in these foods is high, which can meet most of the nutrients they need for growth and development. Then with some special synthetic feed for rats and fish, they can be well fed. The nutrients in synthetic feed are more comprehensive, and with the nutrition of animal feed, they can grow better and faster. And they usually eat some algae and moss in the fish tank, which can supplement vitamins and enhance resistance.
