Fish stocking is a common practice for restocking wild populations of fishes,and the growth conditions of hatchery-raised fishes are a major key for successful recruitment.Yet,there are few studies that compare the gr...Fish stocking is a common practice for restocking wild populations of fishes,and the growth conditions of hatchery-raised fishes are a major key for successful recruitment.Yet,there are few studies that compare the growth of hatchery-reared juvenile fishes with wild populations.We compared the growth conditions of hatchery flounders,Paralichthys olivaceus,at two fish farms in Korea with that of natural stocks.All of the relationships of growth parameters including total length-weight,otolith-total length,and weight/length ratio relative to otolith length indicated that the growth was similar between the wild and the reared fishes at the two fish farms.The results suggest that the fishes grown at farming facilities should have a similar probability of recruitment as wild juveniles.展开更多
文摘Fish stocking is a common practice for restocking wild populations of fishes,and the growth conditions of hatchery-raised fishes are a major key for successful recruitment.Yet,there are few studies that compare the growth of hatchery-reared juvenile fishes with wild populations.We compared the growth conditions of hatchery flounders,Paralichthys olivaceus,at two fish farms in Korea with that of natural stocks.All of the relationships of growth parameters including total length-weight,otolith-total length,and weight/length ratio relative to otolith length indicated that the growth was similar between the wild and the reared fishes at the two fish farms.The results suggest that the fishes grown at farming facilities should have a similar probability of recruitment as wild juveniles.
