Still from a science-fiction film, A big fish with a made of iridescen

Still from a science-fiction film, A big fish with a made of iridescent crystals, fins in the form of butterfly wings, bright neon shades purple, aquamarine, gold, glowing spiral on the sides, deep-sea dark environment, mystical glow, background of twinkling stars of underwater space, atmospheric effect, feeling of extraterrestrial magic, blurry movements.