The Ganges dolphin was officially discovered in 1801. Dolphins on the Ganges once inhabited the Ganges-Brahmaputra-Megna and Karnafuri-Sang river systems in Nepal, India and Bangladesh. the Ganges dolphins can only live in freshwater and are essentially blind.
Are some dolphins blind?
Yes, you can see dolphins. .. These marine mammals are inherently blind, as some species, such as the Amazon river dolphin, can only understand the specific distinction between light changes and shapes within a few feet in front of them.
How many blind dolphins are there?
According to the World Wildlife Fund (WWF), the number of blind dolphins (also known as indus dolphins) increased from about 1,300 in 2011 to over 1,800 in 2017. This is a welcome sign. The 22nd. 2017
What is a blind dolphin?
Platanista gangetica, the biological name for the Ganges dolphin, also known as the "blind" river dolphin or "side-swimming dolphin," is endemic to India and endangered species.
Are blind dolphins blind?
It has evolved in a silty and muddy environment for over 30 million years and has lost most of its eyesight. There is no lens in the eye and it can only detect the direction of diffused light. It is alive by echolocation. Sound is all of the oldest of all cetaceans. 2016
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