With fishes, members of the shark family would not tend to supplant the lancelet; for the lancelet, as I hear from Fritz Muller, has as sole companion and competitor on the barren sandy shore of South Brazil, an anomalous annelid.

于鱼类，鲨鱼家族的成员不会倾向于取代文昌鱼；因为我从 Fritz Muller 那听说， 在巴西南部贫瘠的沙质海岸上， 柳叶刀有一个异常的环作为唯一的伙伴和竞争手。