无鳞鱼是指天生无鳞或鱼鳞很小的鱼种，并不是单指一点鱼鳞都没有的鱼。海里的无鳞鱼大部分生活在500米以上深度的深海里，主要为鳗鲡目的鱼种，比如海鳗和海鳝等；淡水无鳞鱼有泥鳅，黄鳝，河鳗，鲶鱼，银鱼等。无鳞鱼含有较高的胆固醇，所以老年人和肥胖的人应该尽量少吃。
细长的大型海生无鳞鱼，有尖牙和船帆形的长背鳍。
Large elongate scale less oceanic fishes with sharp teeth and a long sail-like dorsal fin.
无鳞鱼捕鱼机。许多人认为，普通人的思维活动根本无法与科学家的思维活动相比，认为这些思维活动必须经过某种专门训练才能掌握。
And it is imagined by many that the operations of the common mind can by no means be compared with these processes and that they have to be required by a sort of special training.
北大西洋沿海水域中滑溜溜的无鳞食用鱼。
Slippery scale less food fish of north Atlantic coastal waters.
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