In a rare glimpse into a largely unseen world, scientists in Brazil have filmed thousands of bumblebee catfish (Rhyacoglanis paranensis) climbing waterfalls—a feat never before documented in this ...

Nature's beauty frequently presents mysterious and astonishing moments, particularly when witnessed in untamed environments. A massive swarm of uncommon orange and black fish was recently captured on ...

ESTABROOK PARK, Wisconsin (WISN) -- What looks like a peaceful waterfall at Estabrook Park is actually a man-made barrier that has blocked fish for generations. "We are removing some of the bedrock ...

Add Yahoo as a preferred source to see more of our stories on Google. Along a nine-mile stretch of river between two waterfalls in the Australian rainforest lives a tiny fish that’s been there for ...