Tiny shellear fish in central Africa scale a 50-foot vertical waterfall using suction cups and tiny hooks. This convergent evolution places them with some island gobies and Brazilian bumblebee catfish, who all do world class bouldering. 🐟🌍
phys.org/news/2026-04...
For over half a century, people in Central Africa have told tales of the fish seen climbing waterfalls, but these claims have never been officially confirmed. Now, these fish have finally been caught ...
