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Some small catfish are known to climb waterfalls, like the bumblebee catfish seen in the Paraguay River in Brazil. First spotted by the Environmental Military Police, the catfish soon became the ...

In a river near a police department in southern Brazil, thousands of catfish amassed at the base of a waterfall and began to climb. The unusual fish gathering caught the attention of police officers - ...

Never-before-seen footage has captured thousands of catfish climbing a waterfall in southern Brazil — the first detailed observation of the species migrating. Bumblebee catfish (Rhyacoglanis paranesis ...

Add Yahoo as a preferred source to see more of our stories on Google. Scaling 13-foot vertical waterfalls is a survival requirement for the bumblebee catfish. The 3.5-inch length of Rhyacoglanis ...

Scaling 13-foot vertical waterfalls is a survival requirement for the bumblebee catfish. The 3.5-inch length of Rhyacoglanis paranensis creates immense resistance when battling heavy waterfall ...