Six critically endangered Mekong giant catfish — one of the largest and rarest freshwater fish in the world — were caught and ...

The giant freshwater stingray may be the world ... where their more commonly known relatives live. These ancient fish, little changed over many millions of years, can reach 16.5 feet long ...

Six critically endangered Mekong giant catfish — one of the largest and rarest freshwater fish in the world — were caught and ...

Ever ordered 'copi' at a restaurant? Bet you haven't seen it on a menu. That's the new name given to several members of the ...

A 300kg (661lb) stingray caught in the Mekong river in Cambodia is the biggest freshwater fish ever documented, scientists say. It unseated the previous record-holder, a 646lb (293kg) Mekong giant ...

A report has warned of a "catastrophic" decline in freshwater fish, with nearly a third threatened by extinction. Conservation groups said 80 species were known to have gone extinct, 16 in the ...

Fishermen in Cambodia have been having a streak of good luck lately. Researchers say they caught three Mekong giant catfish, one of the rarest and largest freshwater fish in the world. These fish, ...

Betta, or Siamese fighting, fish are among "the most popular freshwater aquarium fish in the world," PetMD reports. Native to ...

Freshwater fish populations that dwell nearer the poles are outperforming their equatorial counterparts, researchers have found. Large-bodied migratory species such as Atlantic salmon are thriving as ...

A whopping 35 freshwater fish are being recommended for national listings as being at risk of extinction after an Australia-wide survey. One species, the Kangaroo River perch, is also thought to ...

Three-quarters of Australia’s freshwater fish species are found nowhere else on the planet. This makes us the sole custodians of remarkable creatures such as the ornate rainbowfish, the ancient ...