Picture this: you’re gazing into a vibrant aquarium, entranced by the hypnotic dance of fish. But what if I told you that ...

Evolution’s Family Tree: The Branches We Share The evolutionary family tree is a sprawling, tangled masterpiece, and humans, frogs, and fish are all nestled on its vertebrate branch.

We share a common ancestor with all life on Earth, but we share common ancestors with some lineages of the Tree of Life much more recently than the 400-million-year-old fish that first came onto land.

Eastern Baltic cod grow to much smaller sizes than they did just 30 years ago, because overfishing altered their genes, ...

A trade-off between tooth size and jaw mobility has restricted fish evolution, Nick Peoples at the University of California Davis, US, and colleagues report in the open-access journal PLOS Biology .

Evolutionary biologist Dolph Schluter is pictured at one of his ponds containing stickleback fish at the University of British Columbia. Katie Chu Sign up for CNN’s Wonder Theory science newsletter.

Thanks to a new anglerfish family tree, now we know. Scientists built this evolutionary tree using genetic information from hundreds of samples and anglerfish specimens across the globe.

In her novel “Why Fish Don’t Exist,” Lulu Miller points out that a true “fish” clade containing an ancestor and all its descendants is an unrealizable dream, awkwardly grouping organisms with ...

This study shows that the developmental processes that are responsible for these joints arose deep within the fish evolutionary tree." More information: Sharma N, ...

Two new studies add to the evidence that human activity, from fishing to urban development, is driving the evolution of wild ...