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Freshwater fish populations near the poles are outperforming their equatorial counterparts due to climate change. Warming temperatures are creating new habitats at the poleward edges of their ranges, ...

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

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Researchers say they caught three Mekong giant catfish, one of the rarest and largest freshwater fish in the world. These fish, when caught, are not bound for a market. Researchers have been ...

Fish like the bubblegum-pink Anthias or the midnight-blue Purple Tang. The centerpiece of the freshwater tank is a ropy, submerged tree trunk (made of fiberglass) that offers habitat for the fish ...

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 ...