One of the new species was discovered in an unusual and “very difficult” to access location near the Rio Purus, a tributary ...

Researchers have described how fish larvae rely on species-specific combinations of vision and movement to detect and capture ...

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 ...

Macroinvertebrates include snails and larvae of dragonflies, caddisflies, mayflies and stoneflies, among others. They can be ...

Researchers from the Ateneo de Manila University recently raised the alarm over potential invasive alien fish species ...

The giant snakehead (Channa micropeltes), a predatory fish native to Southeast Asia, has been found in Sri Lanka’s Deduru Oya reservoir, raising concerns over the invasive species’ potential impact on ...

The first-ever acoustic telemetry network in the Mekong River has tracked key migration corridors critical to the survival of fish in Cambodia and Laos. To conduct the study, researchers caught ...

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 ...

Since 2017, biologists tracking migratory fish species in Cambodia have developed relationships with local fishing communities, asking them to alert any unusual sightings. That is how the three giant ...

A river monster thought to be extinct has been spotted again. The giant salmon carp, nicknamed ‘the ghost fish ’, has been found in the Mekong River with three sightings in recent years.

But the plight of the fish also spotlights the perils facing all migratory species in the Mekong, which faces industrial pollution and overfishing.

Migratory species in the Mekong River face broader challenges and are under threat from industrial pollution, overfishing, and infrastructure development.