Six critically endangered Mekong giant catfish — one of the largest and rarest freshwater fish in the world — were caught and released recently in Cambodia, reviving hopes for the survival of the ...

In a river of southern China, a large predator with “thick” skin rested on the riverbed and waited for its next meal. Its “small” eyes scanned its surroundings, but it wasn’t the only one looking ...

Scientists caught an “armored” river creature with a maze-like pattern, a popular aquarium pet, in Brazil and discovered a new species. Photo from Getty / iStockphoto In a river of northeastern Brazil ...

In a river of western Brazil, an “armored” creature with bumpy lips swam through the “dark tea-colored” waters. Something about it caught the attention of nearby scientists — and for good reason. It ...

In a river of Myanmar, a “large” predator with “thick” skin swam along the riverbed in search of its next meal. Instead, something pulled it toward the surface, carried it away and put it on sale at a ...

Scientists found a slender creature with “long” limbs and a yellow belly in Thailand and discovered a new species, a study said. Photo from Rujirawan, Aksornneam, Yodthong, Pawangkhanant, Stuart and ...

Scientists found a large river predator, weighing up to 220 pounds, in China and discovered a new species, a study said and photos show. Photo from Shu-Sen Shu via Zeng, Pu, Lei, Oo and Chen (2025) In ...