一、生物学持征1、形态特征斑点叉尾鮰体型较长,体前部宽于后部,头较小,吻稍尖,口亚端位,体表光滑无鳞,粘液丰富,侧线完全,皮肤上有明显的侧线孔。头部上下颌具有深灰色触须4对,体两侧背部淡灰色,腹部乳白色。2、食性斑点叉尾鮰属底栖杂食性鱼类,较贪食,有集群摄食习性,并喜弱 First, the biological symptoms 1, morphological characteristics of Channel Catfish 鮰 long, body width wider than the back, smaller head, kiss slightly pointed, mouth sub-end position, body surface smooth without scales, mucus-rich, lateral line completely, skin On the obvious side hole. Head and lower jaw with dark gray tentacles 4 pairs, the body on both sides of the back light gray, white belly. 2, feeding spots Catfish is a benthic omnivorous fish, more bulimic, cluster feeding habits, and happy