Distribution in South America: Pacific Ocean, Chile, at 33ºS off Valparaiso (Palma & Rosales 1995), at the fjords and channels of southern Chile (Palma & Rosales 1997; Palma et al. 1999, 2007b, 2011, 2014a; Palma & Aravena 2001; Palma & Silva 2004; Villenas et al. 2009); Atlantic Ocean, Argentina, from 39º to 65ºS (Alvariño 1981; Pugh 1999; Guerrero et al. 2010; Araujo 2012; specimens collected in this study).
Habitat: neritic and oceanic species, restricted to Antarctic and Subantarctic waters (Totton 1965; Alvariño 1981; Pugh 1999; Palma & Silva 2004; Guerrero et al. 2010; Araujo 2012).