This clever shark has evolved a way of living in both salt and fresh water. read more
How Sharks Survive in Fresh Water For most shark species, spending a day in fresh water would be like placing a human on the moon without a spacesuit. It could not survive due to the inhospitable surrounding environment. read more
Freshwater sharks are sharks able to live in freshwater lakes and rivers, including: the river sharks, Glyphis, true freshwater sharks found in fresh and brackish water in Asia and Australia the bull shark, Carcharhinus leucas, which can swim between salt and fresh water, and are found in tropical rivers around the world. read more
But bull sharks can adapt their osmoregulatory processes to survive in a broad range of water salinities, from the salt water of the ocean to the fresh water of a lake. In the organism, the external environment and the internal environment of the organism are separated by a membrane across which substances can move. read more