The water flowing out of the Villa Luz cave in Mexico 从墨西哥露兹别墅山洞流出来的水
The cave angel fish feed on bacteria in the fast flowing water 洞穴天使鱼以急流中的细菌为食
Receptors in their skin detect minute movements in the water made by its prey. 皮肤上的探测器能觉察到 猎物引起的最微小的水流变化
External gills help it to breathe in water that is particularly low in oxygen. 外生的鳃帮助它们 在极度缺氧的水中呼吸
There may well be less than a hundred Texas cave salamanders in the wild. 世界上可能只有不到100只 野生洞栖童态河溪螈
they have all not only lost the pigment in their skin, 它们不仅失去了皮肤色素
for they live only in cave waterfalls. 因为它们只生活在洞穴瀑布中
This isolation has resulted in the evolution of some various strange creatures. 这种孤立环境导致进化产生 各种各样奇怪的生物