Sapphirina, or sea sapphire, has been called 'the most beautiful animal you've never seen,' and it could be one of the most magical. Some of the tiny, little-known copepods appear to flash in and ...

Deep-Sea Fish Has Hair—Oh Wait, Those Are Giant Parasites The tiny hitchhikers might be yucky, but they’re also a sign of a thriving deep-sea ecosystem. By Isaac Schultz Published April 23, 2025 ...

Sea sapphires are an exception among copepods. Though they are often small, a few millimeters, they are stunningly beautiful. Like their namesake gem, different species of sea sapphire shine in ...

This sea sapphire glitters like its namesake jewel. Scientists think the crustacean’s iridescence helps attract potential mates, but the true scope of the “secret language of sea sapphires ...