Freshwater fish species have an uphill battle for survival, especially with a changing ecosystem. “So, we’re trying to see ...

Nearly one in three freshwater fish species now faces possible extinction, a statistic that reflects mounting pressure on rivers and lakes worldwide. Habitat loss, dams, pollution, invasive species, ...

Researchers identified a new freshwater fish species in South Africa after years of genetic testing and analysis.

The cytogenetics of fish species encompasses the study of chromosome structure, number and organisation within diverse aquatic taxa. This field underpins our understanding of evolutionary mechanisms, ...

Species numbers alone do not fully capture how ecosystems are changing. In a global study, scientists analyzed long-term data ...

A research team traveled to South Africa’s Umzimkhulu River in 2017 with a specific mission: find surviving pockets of the Maluti redfin minnow, a species declared extinct after introduced trout ...

A search for a fish lost to extinction led to a brand-new species hiding in a South African river.