Imagine a world where the boundaries between “fish” and “not-fish” blur, where the ancestors of birds and mammals once swam ...

Fossils of Tiktaalik roseae blended fins with hints of limbs and sported a flat head suited for peering above the waterline.

The "doomsday" oarfish that washed up on a San Diego beach in November 2024 is now on display at Birch Aquarium.

Osaka Metropolitan University researchers review the evidence for individual face recognition in fish and speculate that face identification neural networks are both similar and widespread across ...

Fish are able to excrete unwanted compounds (such as salts and nitrogen-containing ammonia) via the membranes of their gills ...

A fish (with scales and gills ... But the marvelously preserved fossil sheds new light on how the vertebrate invasion of land took place, some 375 million years ago. Until this year, Tiktaalik ...