Where do you go when you’re a fish and you need a skincare treatment? Coral reefs contain natural “beauty salons,” lively social hubs of activity where fish “clients” swim up and wait to be serviced ...

Wild fish are born with instincts that guide their swimming, but what would it mean to “teach” them? This deep dive explores natural behavior, survival skills, and the fascinating science behind how ...

Moon phases often drive different migration cycles, whether it's signaling fish to move up to spawn, an important tide cycle, or even driving a specific invertebrate to hatch. Be aware of the full ...

Let's Learn is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

They say two heads are better than one. But in the world of fish, it appears two fins are better than one. Researchers have produced a theoretical model that demonstrates the underlying mechanisms ...

A cleaner goby cleans a grouper in a Caribbean coral reef. These little fish clean much bigger fish of parasites and bacteria. Where do you go when you’re a fish and you need a skincare treatment?