The 15-pound fathead fish in Chagan Lake is 1 meter long. According to relevant public information inquiries, fat-headed fish, that is, bighead carp, is commonly known as bear fish, silver carp, black silver carp, yellow silver carp, pine carp, catfish, and big-headed fish. The 5-pound Chagan Lake fat-headed fish is 1 meter long, and the fat-headed fish is 15 pounds long. The growth cycle takes about 5 years.