Assorted SwordtailsNovember 30, 2019
Offering Assorted Swordtails (Xiphophorus hellerii) – approximately 4 … 5 cm in size. The image used above is for illustration purposes only.
Xiphophorus hellerii is a species of freshwater/brackish livebearing fish in the family Poeciliidae of order Cyprinodontiformes. The wild ancestors are native to an area of North and Central America stretching from Veracruz, Mexico, to northwestern Honduras.
The male grows to a maximum overall length of 14 cm and the female to 16 cm. The name «swordtail» is derived from the elongated lower lobe of the male’s caudal fin. Sexual dimorphism is moderate, with the female being larger than the male, but lacking the «sword». The wild form is olive green in color, with a red or brown lateral stripe and speckles on the dorsal and, sometimes, caudal fins. The male’s «sword» is yellow, edged in black below. Captive breeding has produced many color varieties, including black, red, and many patterns thereof, for the aquarium hobby.
The swordtail prefers swift-flowing, heavily vegetated rivers and streams, but is also found in warm springs and canals. Omnivorous, its diet includes both plants and small crustaceans, insects, and annelid worms.
An aquarium with surface dimensions of approximately 120 x 30 cm or equivalent should be the smallest considered. The choice of décor is not especially critical though it tends to look best in a heavily-planted set-up with a dark substrate. Beneficially the swordtails should also suit an aquarium arranged to resemble a flowing stream with water-worn rocks and small boulders. The addition of some floating plants and driftwood roots or branches to diffuse the light entering the tank also seems to be appreciated and adds a more natural feel. Filtration does not need to be particularly strong though it does seem to appreciate a degree of water movement. The recommended water parameters for Xiphophorus hellerii are the temperature 16°C – 28°C, pH 7.0 – 8.0, and hardness 179 – 447 ppm.
Please click here to see the fish profile explaining the keeping and breeding conditions for this species. We combine the shipping cost if you order more fish or other goods. Please carefully check our Delivery Conditions before you place an order.