Why do our reef fish change color so often when they grow from a baby to adult? This mystery is just now being solved because there are so many people out in the water with cameras to document the ...

The humble clownfish is smaller than a human fist. But when a diver approaches its underwater home, among the tentacles of a sea anemone on the world's coral reefs, the little orange creature ...

Clownfish, a small orange and white species made famous by the “Finding Nemo” movies, have been found to shrink in order to boost their chances of surviving marine heat waves, according to a ...