1. Elf fish: Several elf fish can be raised in the guppy tank, and they have strong adaptability to the environment. It not only has the function of cleaning fish tank, but also has strong ornamental value. What they like best is brown algae on the wall of fish tank.

2, clown loach fish: This kind of fish has a very strong cleaning ability, and the cleaning speed is also relatively fast. But they are timid and often hide in the cracks and corners of Stone.

3. Moss rat fish: As the name implies, moss rat fish has a great effect on algae removal. Although they are gentle in character, their ability to remove algae will decline in adulthood.

4. Mouse fish: Mouse fish and guppy are similar in habits and body shape, and they also have strong abilities. They are greedy. When the fish tank is clean, it is best for the breeder to feed them some food.

5. Snake fish: Snake fish has a gentle personality and will eat guppy food and feces. Moreover, they will also look for food residues in sediment. If the breeder's fish tank is paved with sand and gravel, it is very suitable for the breeder to clean the fish tank.

Guppy has a mild character and does not have high requirements for the environment. Breeders can choose to raise them together with small tropical fish with the same mild personality, such as zebrafish, moonlight fish, Mary fish, red swordfish, traffic light fish, silver screen light fish, penguin fish, black skirt fish, white cloud golden silk fish, Lili fish and so on.