Tiny fish prove adept at climbing waterfalls

NPR | By Ari Daniel

Published April 2, 2026 at 4:39 PM EDT

Scientists discovered a tiny fish that can climb up a 50-foot waterfall in the Democratic Republic of Congo, a rare feat for a small fish.

Ari Daniel

Ari Daniel is a reporter for NPR's Science desk where he covers global health and development.

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