Fish story Down in Australia, scientists dream of controlling invasive species like the European carp by introducing males genetically altered to produce mainly male offspring.

• 关于鱼类在澳大利亚，科学家想通过引入转基因的雄鱼以产生大量雄性后代的办法来控制带有侵略性的欧洲鲤鱼种群。