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Redtail Black Plumetail Variatus
The Redtail Black Plumetail Variatus is a North American livebearer
related to and in the same genus, Xiphophorus, as the swordtails. (Click here for a general
discussion of the genus Xiphophorus.) (
Click here for a general discussion of platies.) Most commercial
strains of platies have mixed heritage, including ancestors from X.
helleri, X. maculatus and X. variatus. This fish is
largely descended from X. maculatus. We
developed this strain by crossing our
Redtail Black Variatus
Platy to a Plumetail Platy we acquired at the 2004 ALA convention fish
auction in Kalamazoo, Michigan. We then selected for both the plumetail
characteristic and the proper color pattern in the resulting offspring.
Size: Males often reach 4cm (1.5 in.). Females are somewhat larger and much heavier. Description: Both sexes have black bodies, orange to red caudals and yellow dorsals. Males have brighter colors. Both sexes sport the plume in the middle of the caudal fin. The top photo is of one of our present breeder males after selection for improved plumetails. The male sports a short sword on the bottom margin of his caudal fin, a frequent characteristic of male plumetails. The bottom photo is of a young female before we began selecting for black bodies. The plumetails on females are smaller than the males, but this one has a nice bushy plumetail.
Temperament: This fish is not aggressive and is active. It can be kept either in a single species aquarium or in active community aquaria with rainbowfish, other livebearers or other fish with similar behavior and requirements. Feeding: Feeding is simple with the fish taking prepared foods as well as live and frozen foods. Periodic feedings of Daphnia or other live foods are helpful in color maintenance, general health and breeding.Spawning: This livebearer breeds like other members of its genus. At 30°C (85°F), broods are delivered about every 28 days. Broods can be as large as 100 fry for mature females. Like other Poeciliidae, the females can store sperm and have as many as 8 broods from a single mating. The fry are large and can eat commercial food, Daphnia, brine shrimp nauplii, etc. immediately. Adults will eat fry, so they must have some protection such as dense fine-leafed plants to survive. Males are constantly courting and chasing the females, stopping only to spar with other males or eat. Additional Information: For more information about this species, click on one of the following article names:
Page last modified June 4, 2007. Copyright © 2007, Goliad Farms, LP |