The common loliginid of western North America. Maximum size 19 cm dorsal mantle length and 130 g weight in males, 17 cm and 90 g respectively in females; average total length about 30 cm.
Vecchione, Michael and Richard E. Young.2010. Doryteuthis (Amerigo) opalescens (Berry 1911). Opalescent inshore squid.Version 02 September 2010 (under construction).http://dev.tolweb.org/Doryteuthis_%28Amerigo%29_opalescens/52726/2010.09.02 in The Tree of Life Web Project, http://tolweb.org/