Blind fish
Blind fish is originally a general term for all eyeless fish. Originally, blind fish The ancestors of fish originally had eyes, but because they lived in a dark environment for a long time, they gradually lost their vision, and therefore their descendants would be blind.
The blind fish belongs to the family Cyprinidae and the genus Mexican blind fish in taxonomy. It is a very beautiful eagle fish, about 8 cm long, with bright silver scales and all its fins are cream-colored. Probably tens of thousands of years ago, the ancestor of the blind fish was carried by the current into an underground cave with little or no luster. Over time, its eyes degenerated due to the uncivilized environment, resulting in today's blindness. fish. For ordinary animals, it is almost impossible to survive without eyes. However, although the eyes of blind fish have lost their due functions, they can rely on the special sensations of other organs to carry out their daily lives. It is a fast-swimming fish that can swim freely in the water without hitting aquatic plants, rocks or other fish while swimming. In other words, the deterioration of the eyes will not bring any adverse consequences to its survival.
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