| 1. | So the american museum of natural history researchers took known venomous species ? which include stonefish , catfish , lionfish , scorpion fish , toadfish , stargazers , and half a dozen other families ? and tried to determine how they were related to each other and additional fish 美国自然历史博物馆的研究员取来很多种已知有毒鱼类-包括石鱼,猫鱼,狮鱼,蝎子鱼,蟾蜍鱼,和半打其它种类.试图找出它们之间的亲属关系 |