The humboldt squid is a 4 foot predatory squid from the eastern pacific. Humboldt squids have chromatophores, so theyy can change their colors quickly, their skin often flashes from red to white. Humboldt squids will often show agression towards humans, but this behavior might be happening only because it was feeding time. Humboldt squids are most commonly found at depths of 660 to 2,300 ft, from California to Tierra del Fuego.