Dosidicus gigas, otherwise known as the Humboldt or jumbo squid, inhabits the Eastern Pacific Ocean from northern California to southern Chile. This squid is believed to have both small scale migration within the Gulf of California, from the Baja peninsula to Guaymas Basin. It may also have a large scale migration as part of its life cycle, but little about their large scale migration is known.
In the past, Dosidicus gigas was only rarely spotted off of central California, but evidence now indicates that this squid has expanded its range northward through California following El Nino events which warmed northern waters. Humboldt squid have been spotted as far north as Alaska. Similarly, it has also expanded its range to southern Chile during warm water intrusions. (Lovgren, 2003; MarineBio.org, 2008; Markaida, Rosenthal, and Gilly, 2003; Zeldberg, Louis, and Robison, 2007)