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Why Indian dolphins are blind?

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The Indus river dolphin is believed to have originated in the ancient Tethys Ocean. When the sea dried up about 50 million years ago, dolphins were forced to adapt to their only habitat, rivers. they adapt to life in muddy rivers and are functionally blind.

Why are Indian dolphins blind?

"Gandhi dolphins have lost their eyes in the process of evolution to adapt to river muddy water. They move primarily by echolocation or sonar," said the Indian Wildlife Research Institute. Kamal Cresi, a wildlife ecologist who specializes in river dolphin conservation, said. 2016

Are Indian Dolphins Blind?

The Indus river dolphin (Platanista gangetica minor), locally known as Boulan, is one of the eight freshwater dolphins currently in existence in the world. These dolphins, found in freshwater sources such as rivers, cannot survive in salt water like marine dolphins. These dolphins are blind and depend on echolocation. 2020

Why are dolphins blind?

Receptor cells, pyramidal cells, and rod cells are all responsible for providing animals with the tools they need to see and detect color. The low number of pyramidal cells is thought to be associated with limited or almost complete color vision deficiency, with dolphins having more pyramidal cells than terrestrial mammals such as humans. Is believed to be low.

Are Indus river dolphins blind?

The Indus river dolphin, also known as the "Boulan," is one of the most endangered cetaceans in the world. They are closely related to the Ganges dolphins, also known as soot. Their eyes are so small that scientists believe they are functionally blind and only sense the level and direction of light.

Why Indian dolphins are blind?

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