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Tuesday, December 2, 2008

Swordtail Fish


The Swordtail comes in many different colors with the males being easily identified by their signature "sword" tail. This is an extremely hardy fish that can adapt to a wide range of water conditions.

They are livebearers which means that the baby fish come out free swimming. Like their livebearer counterpart, the guppy, the swordtail is a prolific breeder and a female will give birth about once every 28 days.Some hobbyists have reported problems with aggression among male swordtails when keeping multiples. It may be a good idea to limit the number of male swordtails in your tank. A good mix may be three females to one male.

They will eat most fish foods including flakes, frozen, freeze dried and live foods such as brine shrimp.

Scientific Name : Xiphophorus helleri

Common Names : Black Swordtail, Gold Tux, Green, Lyretail, Neon, Red Simpson, Spotted, Red Velvet Swordtails, Black Velvet, Belize, Atoyac

Swordtail Care Level : Easy, good fish for freshwater fish beginners

Size : Up to 5 inches (13 cm)

pH : 7 - 8

Temperature : 72°F - 82°F (22°C - 28°C)

Water Hardness : 9° to 15° dH,

Lifespan : 3 - 5 years

Origin / Habitat : Central America

Temperament / Behavior : The swordtail is a tough litte fish. They can take care of themselves when there are bigger fish in the tank. The males may become aggressive towards other males.

Breeding / Mating / Reproduction : They are livebearers, so it is fairly easy for them to breed. Be sure to give a lot of floating cover for the baby swords. Try to put the babies in a separate tank otherwise the adult fish will eat them. 

Tank Size : 10 gallon or larger

Compatible Tank Mates : Don't keep with tropical fish big enough to eat them. They should be able to handle themselves with many fish their same size or larger.

Diet / Fish Food : Omnivore but they need some greens in their diet. They will take flake, freeze dried and live foods.

Tank Region : All over the tank

Gender : Easy to determine - the male has a signature long anal fin.

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