The UN assessment of the state of migratory freshwater fish revealed an 81% decline in the last 50 years.
Bass in southeastern rivers turn out to be two species, highlighting hidden diversity and growing threats from habitat ...
In the wide, sandy stretches of Brazil’s Araguaia River, the piraíba, South America’s largest catfish, is a cornerstone of ...
Freshwater fish are vanishing from the world’s rivers, with migratory species down 81 percent due to dams, pollution, and ...