It is really, really difficult not to compare them to Pokémon characters. There are around 3,000 nudibranch species all over the world, from the Arctic to the tropics, but roughly a third of ...

Stinging cells, produced by cnidarians such as jellyfish and anemones, are one of ocean creatures' most effective defences. This method of protection can keep almost all predators at bay - but not the ...

It was mesmerizing. Upon further investigation, I soon learned that there are an estimated 3,000 species of nudibranchs found ...

Monterey Bay Aquarium Research Institute (MBARI) scientists have discovered a new nudibranch species. They encountered it in ...