A tiny desert fish survives in a sun-scorched cavern on the edge of extinction. Here’s how it’s offering scientists a rare ...

The study of Astyanax mexicanus, encompassing both its cave-adapted and surface-dwelling forms, has emerged as a model for understanding evolutionary adaptation to extreme environments. Researchers ...

Through advanced isotopic analyses, Rodnyel Arosemena seeks to understand how fish in the Caribbean and the Pacific that had a common ancestor take advantage of the resources of their different ...

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 June 24 th in the open-access journal PLOS ...

A research team led by Prof. Zhu Min—a member of the Chinese Academy of Sciences (CAS) and affiliated with the CAS Institute ...

While prospecting in the barren fjords of Arctic Canada, a trio of paleontologists struck the evolutionary equivalent of gold. They uncovered three specimens of a 383-million-year-old creature midway ...

In a study published in Cell, Prof. He Shunping's team from the Institute of Hydrobiology (IHB) of the Chinese Academy of Sciences (CAS), along with researchers from the Institute of Deep-Sea Science ...

PHILADELPHIA — The recent discovery above the Arctic Circle of remarkably well preserved fossils from a new species of ancient fish provides a key marker in the evolutionary transition of fish to ...

At the bottom of the world’s trenches, there’s a fish that shouldn’t exist. Here’s how it earned the title of the ...

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.