The "sea angel", a swimming sea slug, is most beautiful of the deep sea animals he snapped -- not exactly a tough contest to be fair. Mostly transparent, the sea angel's internal organs appear to glow brightly in the image.
Rare deep-sea fish pictured Many deep sea fish display a show of spectacular colors, known as bioluminescence. Light is created when the ( protien or bacteria can't remember which pretty sure protien) Lucifern is broken Down.
freespiritmuse: “ Mesmerizing Chandelier Mimicks Deep Sea Bioluminescence The bioluminescence of deep sea organisms is a magical thing to behold. Czech designer Kateřina Smolíková captures this wonder.