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

Six giant Mekong catfish were caught in the span of a week in Cambodia recently, suggesting a potential revival of the critically endangered species.

Freshwater fish populations that dwell nearer the poles are outperforming their equatorial counterparts, researchers have found.

Freshwater fish populations that dwell nearer the poles are outperforming their equatorial counterparts, researchers have ...

A zoo in southwest England is working to rescue a freshwater fish species, considered one of the "most imperiled groups of animals on earth" from extinction. Whipsnade Zoo in Dunstable ...