How old can arhat fish change color?

Misgurnus anguillicaudatus will change color when laying eggs. The loach can grow to about 30-40 cm. Generally, it takes 65,438+0-2 years for loach to grow to 30 cm, and 2-3 years for loach to grow to 40 cm. The size of the raised fish tank should be at least 65,438+000 cm× 50 cm× 50 cm.

The arhat fish is big and fierce, and the fish that can be mixed must have weight. Among them, the better ones are arowana, lucky fish, ray, tiger and macaw, which are basically equal to the arhat fish in the tank.

Try to choose non-cichlids and omnivorous large fish with basically matched water quality and temperature to reduce unnecessary losses. Moreover, they have the habit of digging sand and turning over the soil, which will make docile fish have no room to hide.

Extended data:

The protruding part of the head of arhat fish is called the forehead bead, which is the symbolic ornamental feature of arhat fish. The shape of the forehead bead directly affects the market value of arhat fish. The forehead beads of arhat fish can be roughly divided into the following categories:

1, water head: as the name implies, the forehead beads are like water. Generally, the water head is very large, and the transparency is very good when it is illuminated. You can see the texture inside and feel very soft. When you are sick or depressed, the forehead beads contract rapidly, and after the state is restored, the forehead beads can recover quickly.

2. Half-head feature: the head type between the head and the fleshy head.

3, the characteristics of the horn: the horn is also called a hard head, the horn is generally small, opaque when illuminated, and the head is very hard. When you are sick or depressed, it will not shrink or change much.