Chain Catshark // Glow in the Shark Vinyl Sticker

✦ Size is 2.8" x 2.2" / 72mm x 57mm ✦ Premium Glow in the Dark Vinyl with Matte Laminate✦ Waterproof, Weatherproof, UV-protected, and Scratch-Resistant ✦ Permanent Adhesive Did you know that the Chain Catshark exhibits a phenomenon called biofluorescence? Not to be confused with bioluminescence - these sharks don't actually glow in the dark nor produce their own light. Biofluorescence is where small, special molecules in the shark's skin absorbs the blue light of the ocean and emits it back as a glowing green light. We humans can only see this green glow using the help of UV lights.  Learn about biofluorescence in sharks by watching this Nat Geo video!