Wrasse fish use hard surfaces as tools to crack open prey. This behavior shows flexible thinking and environmental awareness.

Fish don’t exist. In her novel “Why Fish Don’t Exist,” Lulu Miller points out that a true “fish” clade containing an ancestor ...

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same mutation across fish species that have evolved on separate timelines — ...

Trait evolution is not predictable ... of such statements include "tetrapods (land vertebrates) evolved from fish" or "humans evolved from monkeys." But, is the goldfish an ancestor of any ...

Recent research on the Tiktaalik fossil, a 375-million-year-old fish, has illuminated a significant phase in the evolutionary transition from water to ... the way for the evolution of walking.

documents the discovery of the evolution of genetically distinct, fish-eating herring in the Baltic Sea, a young water body ...

Tiktaalik roseae had fish-like fins ... support or even propel the animal in shallow water or mud flats. If so, it changes our view of the evolution of tetrapods, whose ancestors were believed ...

Beyond human ancestry, the researchers say their method could help to transform how scientists study the evolution of other species. In addition to their analysis of human evolutionary history ...

New research analyzing their evolution finds the same mutation across fish species that have evolved on separate timelines — alongside human-made pollutants contaminating the deep sea.