Pleurobrachia bachei A. Agassiz, 1860

Synonyms in the area: Pleurobrachia pileus —Palma 1971,1994; Palma & Meruane 1975; Palma & Rosales 1995; Pleurobrachia sp.—Pagès et al. 2001.

Remarks: the species was recorded off Valparaiso region (33ºS) as Pleurobrachia pileus by Palma (1971, 1994), Palma & Meruane (1975), and Palma & Rosales (1995). Moreover, the species reported as Pleurobrachia sp. from off Antofagasta by Pagès et al. (2001) is considered here as the same species.

Distribution in South America: Pacific Ocean, Peru to Chile, from 3°S to 47°S (Palma 1971, 1994; Palma & Meruane 1975; Palma & Rosales 1995; Pagès et al. 2001; Palma & Apablaza 2004; Pavez et al. 2006, 2010; and specimens collected in this study).

Habitat: epipelagic species, very abundant in coastal waters (Palma & Rosales 1995; Palma & Apablaza 2004).