Glowing ‘mystery mollusk’ spotted living in the ocean’s midnight zone

An unusual sea slug with a large hood, a tail with fingerlike projections and glowing bioluminescence has been found living off the West Coast of the US.

​ An unusual sea slug with a large hood, a tail with fingerlike projections and glowing bioluminescence has been found living off the West Coast of the US. Read More Breaking News, Latest News and Videos | CNN