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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 ...

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 — ...

Video captured by military police in Brazil captured a new skill exhibited by bumblebee catfish. The video showed the fish swimming up a small waterfall, similar to salmon during spawning season.

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 ...