The leaf sheep is an adorable sea creature that looks like part sheep, part fairy tale. Despite the name (in case you were fooled), leaf sheep are actually sacoglossan sea slugs - tiny marine mollusks ...

Barreleye fish are named for their unique, barrel-shaped eyes. These eyes can rotate, allowing the fish to look both upward and straight ahead. Their eyes also have bright green lenses protected ...

For an animal, surviving in the ocean’s deepest trenches requires remarkable adaptations: a gelatinous body that can withstand pressure, bioluminescent features to guide it, and a transparent ...

It’s not often an abyssal predator is christened “cute,” but the ocean’s midnight zone has just done just that. This newly found creature, initially photographed in unparalleled beauty by advanced ...