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鲶是优质鱼类之一。以南方大口鲶为父本、河鲶为母本的杂交子一代,具有十分明显的杂交优势。一、形态特征体长形;前躯短,肥壮,略侧扁;后躯长,侧扁;须2对;背鳍短小,无硬剌,胸鳍有硬刺;臀鳍很长,连于尼鳍;体邑淡灰黄,腹部色淡;体侧多有不规则花斑。二、生物学特性1、生活习性:常栖于水草丛生的底层,性温顺,夜间较活跃。2、食性:肉食性,但可驯养摄食配合饲料。
Catfish is one of the finest fish species. The hybrid generation with southern catfish as paternal and river catfish as female parent has a very obvious heterosis. First, the morphological characteristics of body length; short forequarters, fat, slightly flat; hindquarters long, flat side; to be 2 pairs; dorsal fin short, no hard assassination, pectoral fins have a hard spine; anal fin very long, even in Nigeria fin; Light gray yellow, pale belly; body side with irregular spots. Second, the biological characteristics 1, habits: habitat habitat in the grass bottom, gentle, more active at night. 2, feeding: carnivorous, but can feed domesticated feed.