i like to go catch opah
Opahs are also called moonfish or sunfish. 
what is the difference
Opah
Opahs (also commonly known as moonfish, sunfish (not to be confused with Molidae), kingfish, redfin ocean pan, and Jerusalem haddock) are large, colorful, deep-bodied pelagic lampriform fishes comprising the small family Lampridae (also spelled Lamprididae). Only two living species occur in a single genus: "Lampris" (from the Greek "lamprid-", "brilliant" or "clear"). One species is found in tropical to temperate waters of most oceans, while the other is limited
Lampris immaculatus
Lampris immaculatus, commonly known as the southern opah or southern moonfish, is a species of fish native to the Southern Ocean. These fish species are found commonly in New Zealand waters. They are caught commercially using long-line fishery in New Zealand. The most common prey species for the southern opah are juvenile onychoteuthid squid Moroteuthis ingens which were found in 93% of 69 fish. It was discovered that 14% of the Opahs contained plastic pollutants in there digestive track which indicates signs of high plastic pollution in