wels catfish n Kong ming

Lettin go my wels catfish don't wish to keep them cause they have large appetite brought them for $100 @7-8 inches n the wels cat is now 12-15 inches long wit torn up fin so in letting go at $80. I have 3 Kong Ming I brought them @2-3 inches big now they r 5-6 inches big lettin them go for $25 for all 3 healthy wit no defect