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Director / Editor: Victor Teboul, Ph.D.
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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

In search of the world's largest freshwater fish – the wonderfully weird giants lurking in Earth's rivers

By Stefan Lovgren, Research Scientist in River Ecosystems, University of Nevada, Reno
Rivers have been the lifeblood of human civilization throughout history, and yet we know surprisingly little about what lives in many of them – including the giant creatures that prowl their depths.

While we know the biggest animal in the ocean is the blue whale and the largest marine fish is the whale shark, the identity of the world’s largest freshwater fish species long remained a mystery.

Until 2022, that is, when fishers in Cambodia caught a giant freshwater stingray in the remote reaches of…The Conversation


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