Pelagia noctiluca (Forskål, 1775)

Remarks: species with holoplanktonic life cycle (Rottini Sandrini & Avian 1983). Aggregations occasionally found off Peruvian waters, at night (Quiñones pers. observ.).

Distribution in South America: medusa—Pacific Ocean, Colombia to Chile, from 5°N to 34°S (Kramp 1961, 1968; Fagetti 1973 p.45; Segura-Puertas 1984); Atlantic Ocean, Brazil from 23ºS to 28ºS (Mianzan & Guerrero 2000; Tronolone et al. 2002; Silveira & Morandini 2011).

Habitat: neritic and oceanic species, epipelagic (Kramp 1961).