On the other hand, the transportal of the lower eye of a flat-fish to the upper side of the head, and the formation of a prehensile tail, may be attributed almost wholly to continued use, together with inheritance.

另一方面，比目鱼的下眼向头部的上侧移动， 以及可卷曲的尾巴的形成，几乎可以完全归因于持续使用和遗传。