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)

"Greenfish" was also formerly used to refer to green cod, fresh or freshly-salted Atlantic cod (Gadus morhua).

Greenfish may also refer to:

• Green Fish, a 1997 South Korean film starring Han Suk-kyu
• Greenfish recirculation technology, advanced sustainable recirculating fish farm systems
• USS Greenfish, a former United States Navy submarine

This disambiguation page lists articles associated with the title Greenfish.
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