The Paradise Fish, also known as the Macropodus opercularis, is a species of freshwater fish native to Southeast Asia. This fish is known for its distinct appearance, with its bright colors and ornate fins. However, there are several other terms and synonyms used to refer to this fish. Some of the common synonyms for Paradise Fish are Blue Paradise Fish, Red Paradise Fish, and Chinese Fighting Fish. Additionally, it is sometimes referred to as the Blue Gourami or Three-Spot Gourami. Despite the various names, all these terms ultimately refer to the same species of fish popular among aquarium enthusiasts.