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

The team linked a multicontinental database of riverine fish population abundance time series collected ... He concluded: “Our study has shown how warming waters are impacting freshwater river fishes, ...

One of the most iconic species in the Olympic Region is facing a myriad of environmental threats to its populations. The ...

Dolphins are important indicators for the health of the rivers they live in, which are also the lifeblood of huge economies and hundreds of millions of people. WE DEPEND ON RIVER DOLPHINS Where ...

Freshwater fish populations that dwell nearer the poles ... higher trophic levels, river–sea migratory behavior, and more widespread distributions. Species following this trend include brown ...

Freshwater fish populations that dwell nearer the poles ... higher trophic levels, river–sea migratory behaviour, and more widespread distributions. Species following this trend include brown ...

unusually winter cold conditions encountered by fish in their first winters at sea; and unusually warm temperatures in freshwater river habitat. The dangers of overly warm conditions for salmon ...

Freshwater mussels were once abundant throughout Minnesota’s waterways. But their populations have declined due to habitat ...

The Alligator Gar is among the largest freshwater fish species in Arkansas ... specifically the Red River’s probably our most healthy population of Alligator Gar," AGFC Rivers Biologist Chelsea ...

Related: Fish biologists collaborate to track pioneering Klamath River salmon Denton is consulting ... Unlike salmon, which die after they return to freshwater, steelhead can spawn multiple ...

Freshwater fish populations that dwell nearer the poles are outperforming ... change were most evident in species with larger body sizes, higher trophic levels, river–sea migratory behaviour, and more ...