- Some species of deep-sea fish have evolved blacker-than-black skin to protect them from being eaten – or to help them sneak up on fish they want to eat.
- A study, published last week in the journal Current Biology, documents “ultra-blackness” in 16 species of deep-sea fish and suggests more could be found.
- The discovery places the deep-sea species among the few animals to evolve ultra-black pigmentation, including Australasia’s birds of paradise and some butterflies and spiders.
In the dark...