06 Aug '17, 11am

Freshwater dolphin species and facts | Stories | WWF

Swimming through fresh waters in parts of South America and Asia is what one might consider an unexpected figure: the dolphin. It joins the ranks of the shark and the sea turtle as some of the oldest creatures on Earth. And while they're most commonly associated with oceans, dolphins—and porpoises—can actually be found in several major rivers on two continents. River dolphins act as indicators of river health in the basins where they live. If the dolphin population in a given body of fresh water is thriving, then the overall state of that fresh water system is also likely flourishing. But if that population is on the decline, then it’s considered a red flag for the ecosystem as a whole. WWF is working with countries with river dolphins to change policies and practices to address direct threats to the species such as bycatch and infrastructure, to protect habitats, and to b...

Full article: https://www.worldwildlife.org/stories/freshwater-dolphin-...

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