Merga tergestina (Neppi & Stiasny, 1912)

Distribution in South America: medusa—Atlantic Ocean, Brazil to Argentina, at 24.28°S 46°W, from 29°S to 35°S (Moreira 1973; Navas-Pereira 1974, 1981; Migotto et al. 2002; Silveira & Morandini 2011).

Habitat:: medusa—eurythermic and euryhaline species (Navas-Pereira 1974).