Waterfall-climbing fish performs evolutionary feat

The video explores the fascinating life of inching climbers, a species of goby fish thriving in Hawaii. These fish hatch in streams, are washed out to sea, and return to freshwater to spawn, scaling waterfalls in the process. This journey is akin to climbing Mount Everest three times for a human. Supported by the National Science Foundation, biologist Heiko Schoenfuss studies these fish to understand their adaptation and evolution. The fish use suckers to climb, showcasing unique anatomical features. Schoenfuss's research extends to studying fish adaptation to environmental changes, including pollution and pharmaceuticals in water. The video highlights the broader implications of these studies for understanding adaptation in various species.

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