An unusual fish brought from a dhund, or shallow pond, near Sukkur to the Karachi Fish Harbour on January 4, 2026, has been identified as an Amazon sailfin catfish, officials and experts said.The ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

The spread of invasive species is considered a serious threat to delicate aquatic ecosystems in natural water bodies, ...