Hydractinia pacifica Hartlaub, 1905

Distribution in South America: polyp—Pacific Ocean, Chile, from 41.67°S to 53.78°S (Hartlaub 1905 p. 519-522; Galea 2007 p. 23-25; Galea et al. 2009a p. 312; Galea & Schories 2012a p. 23-24).

Habitat: polyp—from 5 to 30m depth, on polychate tubes, hydroids and wood (Galea 2007 p. 23-25, Galea et al. 2009a p. 312; Galea & Schories 2012a p. 23-24).