Luca's Mystique-Like Transformations Were Inspired by 'Squid Chromatophores'

Like many fantasy stories involving sea-dwelling people who work up the courage to explore the land beyond the ocean, the young heroes of Pixar's Luca have the ability to pass as humans thanks to a magical transformation. It's easy for Luca and his platonic buddy Alberto to pass once they step out of the water and dry...