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A 170 km journey by a freshwater stingray challenges long-held conservation assumptions
- June 8, 2026 at 3:40 PM
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Most sharks and rays inhabit the oceans, but a small proportion thrive in freshwater. Approximately 4% to 5% of all shark and ray species live in tropical and subtropical rivers around the world. Two main ecological strategies can be distinguished among freshwater sharks and rays.
Originally published at Phys.org