Threadfin Rainbowfish are delicate, slender fish with long, flowing fin extensions. They’re peaceful, top-swimming fish that ...

Zebrafish can regrow hearing cells we can't, and scientists have just found two genes that may explain how. This discovery ...

All of Van de Riet's previous "Reef Wall" experiments have taken place in Florida, where the Atlantic Ocean and Gulf of ...

Amphidromous fish—which migrate between freshwater streams and the sea—can move between habitats thanks to ocean currents.

Splash tetras lay their eggs outside of the water, but how do they do this, and why? Learn more about their unique ...

Ancient lungfish jaws tell a complex evolutionary story. New 3D analysis uncovers surprising feeding adaptations. Ancient ...

One of the new species was discovered in an unusual and “very difficult” to access location near the Rio Purus, a tributary ...

Explore Brookfield Zoo’s new Tropical Forests habitat with chimps, gorillas and kid-friendly rainforest adventures.

Feeding and metabolism in fish are vital physiological processes regulated by interactions between internal endocrine signals and external environmental ...