Cleaner wrasse have revealed a remarkable new side of fish intelligence. Marked with fake parasites, they used mirrors to inspect and remove the spots—far faster than seen in earlier tests. Even more ...

A tiny fish has shown signs of a remarkable level of intelligence in mirror test experiments, not only recognizing itself in ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. As more species are admitted into the “smart” animals club ...

NPR's Ari Shapiro talks with Emily Kwong and Jessica Yung about hearing regeneration in fish and lizards, cures for the loneliness epidemic, and the secrets of a radiation-resistant microorganism.

As you sit and watch a goldfish swim in its bowl or a school of fish glide effortlessly through the open sea, you can’t help but imagine what they’d be like as uncomplicated, instinct-driven creatures ...

Octopuses in the Red Sea often hunt together with other predatory fish—and sometimes hit them. New videos suggest they're keeping fish in line. Day octopuses in the Red Sea team up with up fish to ...

NPR's Ari Shapiro talks with Emily Kwong and Jessica Yung of Short Wave about ancient evidence of hot water on Mars, indigenous people's cultivation of hazelnuts, and an inauspicious fish sighting.

Narrated by J.K. Simmons, “The Fish Thief: A Great Lakes Mystery” covers the sea lamprey invasion and tells a story of how society and science united to save local fish. It is slated to be released on ...

For years, scientific divers at a research station in the Mediterranean Sea had a problem: at some point in every field season, local fish would follow them and steal food intended as experimental ...