Bright colors continue to mark the progress of the increasingly intense spring phytoplankton blooms in the Black Sea in early May 2024. And there are many factors leading to its rapid bloom.

Rather than hiding from predators, the brightest and most patterned sea slugs are active during the day so their colors shine ...

Explore these remarkable color-changing sea species! This ambush predator changes its skin color to blend seamlessly into coral reefs and rocky ocean floors, making it an expert in stealth.