There are many advantages to raising turtles and fish. First, the ecological environment is more natural, because turtles and fish are often mixed in the wild, and fish swimming in the water can promote water circulation and improve water quality; Secondly, mutual promotion of health, the metabolism of fish will produce harmful substances such as ammonia nitrogen, and turtles like to eat these harmful substances, which can reduce the accumulation of harmful substances in water; Finally, more beautiful. Turtles and fish are collocated in an aquarium, with a wide variety and bright colors, which will make the whole aquarium more colorful.

2. Turtles and fish species suitable for polyculture.

It is necessary to pay attention to the relationship between turtles and fish. Some species of turtles and fish mixed culture may conflict with each other, which is not conducive to their health. The following species of turtles and fish are suitable for mixed culture:

(1) Red-eared turtle and crucian carp: Red-eared turtle is a freshwater turtle, and crucian carp is also a freshwater creature. They are suitable for polyculture and can improve water quality.

(2) Abalone and koi fish: Abalone is a common species of water turtles, and koi fish is also a representative of freshwater fish. They can be mixed to form a very beautiful aquarium scene.

(3) Brazilian tortoise and tropical fish: Brazilian tortoise is also suitable for mixed culture with tropical fish. Although the Brazilian tortoise belongs to a large turtle species, it is docile and not easy to attack tropical fish.

3. Problems that should be paid attention to in raising turtles and fish.

Although mixed culture of soft-shelled turtles has many advantages, we also need to pay attention to the following issues:

(1) Feeding space: Feeding different kinds of turtles and fish requires enough space to avoid their aggressive behavior, because the space is too small.

(2) Feed problem: The feed of soft-shelled turtle and fish is different, so it is necessary to know their dietary needs and pay attention to the collocation of feed before feeding.

(3) Water quality: Turtles and fish live in water, so water quality is very important for their health. Change the water quality regularly and keep it clean and hygienic.

4. Mixed culture of turtle and fish is taboo

When raising turtles and fish, you should know which kinds of turtles and fish can't be mixed. The following are some common mixed taboos:

(1) Red-eared soft-shelled turtle, fragrant fish, grass carp, eel, etc. These fish have many parasites and are easy to infect turtles.

(2) Colorful angelfish and turtles: Colorful angelfish are fierce and easy to attack turtles.

(3) Carp and turtle: Carp is large, which will seize the turtle's food and activity space, and even attack the turtle.