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Rainbow Sunset Variatus is one of the farm raised color morphs of the wild type Xiphophorus variatus, originally found in southern Mexico by Meek in 1904. A member of the Livebearer group, this peaceful fish has distinctive sexual features. Males will have a tubular shaped anal fin, called the gonopodium. Females will have a fan shaped anal fin. Males sometimes will have larger dorsal fins, but not always.

Melanotaenia boesemani - (Boeseman's / Bosemani Rainbowfish) - max size under 5", readily available at major pet stores, peaceful