Hippos Poop So Much They Are Wiping Out Out Huge Numbers Of Fish

4,559 views · Published 17 June 2018 · 3:09 · Indexed 22 September 2026

Channel: NerdAlert · 2018 · Science & Technology

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Scientists noticed that the Mara River between Kenya and Tanzania would always have a huge fish die-off whenever the river level rose a few feet, but why? Kim Horcher and Jason Inman discuss the study scientists conducted to find the culprit: hippo poop. Let us know your thoughts on this scientific discovery in the comments below!

“At first, Chris Dutton and Amanda Subalusky had no idea why the fish were dying. At a bridge on the border between Kenya and Tanzania, they noticed that whenever the Mara River rose by a few feet, dead fish would wash up on its banks, sometimes in the thousands. Storks, vultures, crocodiles, and hyenas made short work of the carcasses, so “if you weren’t there to see it, you’d never know it was happening,” says Dutton. Local rangers knew about the die-offs, but they blamed the events on farmers who sprayed pesticides in upstream fields.”

https://www.theatlantic.com/science/archive/2018/05/hippos-poop-so-much-that-sometimes-all-the-fish-die/560486/

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