1, Herring: Herring is a kind of freshwater fish with a long cylindrical body. Its scales are bigger, its head is sharper and its tail is thinner. Black herring likes to live in rivers and lakes rich in aquatic plants. Often active in the middle and lower layers of water, mainly feeding on aquatic animals such as snails, clams and clams. Herring is delicious, rich in protein and fat, and is loved by many people.
2. Silver carp: Silver carp is a kind of freshwater fish, which is large and cylindrical. Its scales are bigger, its head is wider and its tail is thinner. Silver carp mainly moves in the upper water. This kind of fish is lively and often jumps out of the water, especially in summer. But it is not active in winter and often overwinters in deep water. Silver carp is tender and delicious, and is loved by many people.
3, bighead carp: Bighead carp, also known as silver carp, is a kind of freshwater fish, large and cylindrical. Its scales are bigger, its head is wider and its tail is thinner. Bighead carp likes to live in rivers and lakes with fertile water quality, and it is a filter-feeding fish. Bighead carp is tender and delicious, and is loved by many people.
4. Grass carp: Grass carp is a kind of freshwater fish, which is large and cylindrical. Its scales are bigger, its head is wider and its tail is thinner. Grass carp like to live in rivers and lakes with overgrown water plants. This kind of fish is also very lively, swims quickly, likes to come out in groups to feed, and grabs food fiercely when foraging. Grass carp is tender and delicious, and is loved by many people.
Matters needing attention in purchasing fish:
1. Water quality requirements: Different kinds of fish have different requirements for water quality. Before buying fish, you should know the water temperature, pH value and hardness of the fish you plan to raise to ensure that you can provide suitable water quality conditions.
2, the size of the fish tank: according to the number and type of fish you plan to raise, choose the appropriate size of the fish tank. Different kinds of fish have different needs for space. Make sure the aquarium is spacious enough to provide enough swimming space and hiding place.
3. Food demand: Different kinds of fish have different eating habits and nutritional needs. Before buying fish, know the feeding requirements of the fish you plan to raise and make sure that you can provide suitable food.
4. Compatibility: If you plan to put many kinds of fish in the same aquarium, make sure they are compatible. Some fish are aggressive to the same or other kinds of fish, while others are relatively friendly. Understand the interaction between different fish and choose the species that can live in peace.