1, reason: goldfish bite each other's tails may be laughing and playing, and many goldfish chase each other when they are happy. Especially after eating or when the weather is fine, it will be very obvious that they chase each other.
2. Solution: If the goldfish are not injured, the breeder does not need to isolate them. If the tail of goldfish is injured, it is necessary to isolate them properly.
2. Fighting1. Reason: Goldfish bite each other's tails and may be fighting, although their personality is mild and their aggressiveness is not strong. But when there is a lack of food, they will also fight. In addition, if a goldfish is sick, other fish will attack the injured goldfish.
2. Solution: The breeder needs to check whether the goldfish is injured first. If a goldfish is injured, the breeder needs to isolate the injured goldfish first. If goldfish fight after isolating sick fish, they should prepare a larger fish tank to keep enough space.
3. Mating1. Reason: Goldfish biting each other's tails may also be paired, and they usually start breeding in spring. Goldfish that have entered the breeding period will chase each other for pairing.
2, Solution: At this time, breeders don't need to adjust deliberately, as long as they keep the surrounding environment comfortable, then they can reproduce normally.