Coral reefs are some of the world 's richest ecosystems , supporting a diverse array of marine life , including reef fish and mollusks .
珊瑚礁列于世界上最丰富的生态系统之中,可以供养包括珊瑚鱼和软体动物在内的大批不同种类的海洋生物。
Siberian cranes feed on the frogs , mollusks , insects and fish in poyang lake , which is filled by the seasonal flooding of the yangtze .
白鹤以鄱阳湖中的青蛙,软体动物,昆虫及鱼类作为食物,这些物种都会被长江季节性的洪水冲到鄱阳湖中。
The lionfish gorge on small fish , mollusks and invertebrates , enough to fill out to as much as 480 grams and decimate local populations on the coral reefs they inhabit .
For example , geerat vermeij , a biologist at the university of california-davis who has been blind since the age of 3 , has identified many new species of mollusks based on tiny variations in the contours of their shells .