Reef fish in different oceans often develop similar color patterns because evolution explores the same set of biological ...

Why does a Caribbean angelfish sometimes resemble its Indo-Pacific cousin, even though they have never lived in the same ...

Fish schools, appearing chaotic when splitting and reuniting, actually follow biological and physical rules. This dynamic ...

An intriguing new study is offering insights into the origins of sleep, for the first time discovering zebrafish brains shift through several brain states while sleeping. The researchers suggest these ...

If you want to thrive in the dark, gloomy ocean depths then it certainly doesn't hurt to have a few tricks up your sleeve. Scientists have discovered two new species of fish that can expand an ...

Similarities in how different organisms look can indicate a close evolutionary relationship. Conversely, great differences in appearance can suggest a very distant relationship, as in many adult ...

Scientists have solved the mystery of why some closely-related species of an iconic reef fish have vastly different colour patterns, while others look very similar. Innovative research led by ...