ナショナルジオグラフィックのインスタグラム(natgeo) - 12月12日 20時44分

Video by @Joel Sartore / The eyes of a Mexican cave fish like this one @zooberlin differ, depending on where they live. Fish living in isolated caves are totally blind, while those with access to a river have some use of their eyes. These fish make up for their lack of sight by having a sensitive lateral line system—a sensory organ found in fish that detects vibrations or changes in water pressure. This heightened sense helps the fish to find food and avoid running into obstacles. To see another species of cave fish, follow me @Joel Sartore. #cavefish #blind #PhotoArk #savetogether

[BIHAKUEN]UVシールド(UVShield)

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