More than 40% of extant large freshwater animals (megafauna), including carp, salmonids, crocodilians, turtles, beavers, and hippopotamuses, have been deliberately introduced outside their natural ...

After draining his alien fish pond, the creator finds stingrays, lungfish, sirens, strange catfish, and other bizarre ...

Biologists from the Ateneo de Manila University in the Philippines have confirmed the presence of the tinfoil barb (Barbonymus schwanefeldii), a popular aquarium fish, in Laguna de Bay, the country's ...

An invasive Australian crayfish species is expanding across southern Africa’s waterways, raising concerns about ecosystems, ...

Migratory freshwater fish have declined by an estimated 81% since 1970 yet remain largely overlooked in global conservation policy. At the latest meeting of the Convention on Migratory Species (CMS), ...

Climate change is rapidly altering freshwater ecosystems — raising temperatures, altering flood pulses and oxygen levels — and driving complex, region-specific changes in how fish grow, migrate and ...