Goldfish
The goldfish ("Carassius auratus") is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is one of the most commonly kept aquarium fish.
Golden trout
Originally the golden trout was described as a subspecies of the salmon species, with a name "Salmo mykiss agua-bonita", and it is still often considered a subspecies (now called "Oncorhynchus mykiss aguabonita") along with several other rainbow trout subspecies commonly known as redband trout.