Scientists found a “thick”-lipped creature in a “swiftly flowing” river of Switzerland and discovered a new species, a study said. Photo from Calegari, Freyhof, Waldock, Wegscheider, Josi, Rüber and ...

Three cattle on the left, 20 elephants on the right,” shouts the expedition leader from the bow seat of the first of five ...

Biologist Mike Ross, balanced in a canoe beneath a star-filled sky in central Zambia, slaps the water with a net attached to ...

Scientists found a predatory fish with sharp teeth, white eyes in rivers, lagoons and discovered new species: Castellón’s piranha, study said & photo shows.

Researchers in Zimbabwe identified two new catfish species, the rough skin and dwarf suckermouth, in highland rivers like the Buzi and Pungwe river systems.