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Can dolphins live in fresh water?

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River dolphins such as the Platanistidae (Ganges and Indus river dolphins), the Iniidae (the Boto or Amazon River dolphin) and the Pontoporiidae (the Baiji and the Franciscana) all live in fresh water. One species that can be found both in fresh water (the Amazon River) and in coastal sea waters is the Tucuxi (Sotalia fluviatilis). Salt water species don't do well in fresh water. Although they can survive for some time, they will be exhausted by the lack of buoyancy in fresh water. Also, after a while their skin will start to slough as the fresh water does not support their skin or eyes and they can develop serious infections. more
imms.org
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There are a number of dolphin species that live in fresh water. They all belong to the river dolphin families. These are: the Platanistidae (Ganges and Indus river dolphins), the Iniidae (the boto or Amazon river dolphin) and the Pontoporiidae (the baiji and the franciscana). There is one species that can be found both in fresh water (the Amazon river) and in coastal sea waters: the tucuxi (Sotalia fluviatilis). In general, salt water species don't do well in fresh water. They can survive for some time, but they will be come exhausted (since they have less buoyancy in fresh water) and after a while their skin will start to slough (like our own skin after spending a long time in the bathtub). more
rosmarus.com
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There are a number of dolphin species that live in fresh water. They all belong to the river dolphin families. These are: the Platanistidae (Ganges and Indus river dolphins), the Iniidae (the boto or Amazon river dolphin) and the Pontoporiidae (the baiji and the franciscana). There is one species that can be found both in fresh water (the Amazon river) and in coastal sea waters: the tucuxi (Sotalia fluviatilis). In general, salt water species don't do well in fresh water. They can survive for some time, but they will be come exhausted (since they have less buoyancy in fresh water) and after a while their skin will start to slough (like our own skin after spending a long time in the bathtub). source: P.G.H.Evans (1987) The Natural History of Whales and Dolphins. Christoper Helm Publishers, London. more
dolphinear.com

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