A species of cavefish has been documented walking and climbing waterfalls in a manner similar to four footed creatures, in a find researchers call “huge” in evolutionary terms. It has anatomical features previously known only in tetrapods, four-limbed vertebrates that include amphibians and reptiles

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A species of cavefish has been documented walking and climbing waterfalls in a manner similar to four footed creatures, in a find researchers call “huge” in evolutionary terms. It has anatomical features previously known only in tetrapods, four-limbed vertebrates that include amphibians and reptiles