Greenfish is used as the common name of several unrelated groups of fish:Ascension wrasse, Thalassoma ascensionis (Quoy & Gaimard, 1834) Bluefish, Pomatomus saltatrix (Linnaeus, 1766) Murray cod, Maccullochella peelii peelii (Mitchell, 1838) Pollock, Pollachius pollachius (Linnaeus, 1758) St. Helena wrasse, Thalassoma sanctaehelenae (Valenciennes, 1839)