Fork-tailed catfish

Fork-tailed catfish, that is, spotted fork-tailed catfish (Ietalurus Punetaus), also known as ditch catfish, pincer fish, belonging to the catfish, catfish family fish. Native to North America, is a large freshwater fish, with miscellaneous food, fast growth, wide adaptability, disease resistance, meat quality and other advantages. U.S. fork-tailed catfish from the U.S. in 1985, the introduction of the original species for domestication, breeding success in 1989, after more than a decade of development, Jiayu County has built the country's largest fork-tailed catfish fry breeding and supply base. Spotted catfish is a demersal fish. Juvenile stage of the activity is weak, like clusters at the edge of the pool water feeding, activities, with the fish grow larger and gradually turn to the water body in the lower layer of activities. Spotted catfish for warm water fish, temperature range 0-38 ℃, optimal growth temperature 15-32 ℃. Normal growth of dissolved oxygen requirements of more than 3 mg / l, PH value of 6-8.9 can survive, and 6.8-7.5 for the optimal range, salinity suitable range of 0.1-8 ‰.