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云斑鱼回又名褐首鲶,属鲶形目,鱼回科,原产于美国。鱼体短而肥,头稍大,体背部灰褐色稍带金黄色,腹部灰白色,体表光滑无鳞,外型酷似黄颡鱼。属广温性鱼类,喜栖息在水的底层,生存水温0℃～38℃,最适生长水温20℃～34℃,pH值适应范围6.5～8.9。该鱼早在1984年我国就已引进养殖,具?
Catfish also known as brown catfish, is a catfish head, fish back to Section, native to the United States. Fish body is short and fat, slightly larger head, slightly brownish brown body back, grayish abdomen, smooth and scales without scales, looks exactly like the yellow catfish. It is a broad temperature fish, hi habitat in the bottom of the water, living water temperature 0 ℃ ~ 38 ℃, the optimum temperature of 20 ℃ ~ 34 ℃, pH value to adapt to the range of 6.5 to 8.9. The fish as early as 1984, China has introduced breeding, with?