1, Moss Mouse: It is a clean grass carp raised in small fish tanks and aquariums. Its eating habits are quite miscellaneous. Adults are about 15 cm long, and some have brown spots in the middle of their backs. Grass carp is weak in individual cleaning ability, so it is recommended to raise more grass carp.

2. Elf fish: It is a relatively common small alien fish. Its body length is generally about 3 cm, and it is timid and docile, and it won't grab food. Its cleaning effect is better than that of rat fish, and it is the best straw jar cleaner. However, the mortality rate is higher than other fish, so you can buy more if you keep them.

3, black line flying fox fish: the size is similar to that of an elf, there is an obvious black line in the middle, and the personality is also very gentle, but it is best not to raise it alone, otherwise it is easy to hide. This kind of fish also likes to eat fish food, but if they eat too much fish food, they will not eat algae.

4, the little monkey flying fox fish: This fish has an obvious black spot on the tail handle. They also eat fish food, but they have been eating, and they will eat algae without rest. Keep this fish in a haystack. It is suggested to feed less fish food, so it will eat more algae.

5, Mary fish: Its belly is very big, very cute and cute, and it likes to eat oil film floating on the water. It is a viviparous fish, with a body length of about 5 to 12 cm, which is easy to breed, but it is best to protect the bred little Mary, otherwise it will be easily eaten by other fish.