Swordtail Koi Kohaku lyra - Xiphophorus helleri
  • Impressive livebearer
  • Beautifully colored
  • For larger aquariums
  • For harder water
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Swordtail Koi Kohaku lyra - Xiphophorus helleri

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Swordtail Koi Kohaku lyra - Xiphophorus helleri
The impressive Koi Kohaku Lyra Swordtails with their veil fins are great fish for the aquarium, which also cut a good figure in the community tank. The live-bearing aquarium fish are robust and adaptable, not picky about food and show very interesting social behavior. The aquarium should be planted with rather robust plants. In front of a green background, the wonderful colors of the great swordtails breeding form stand out even more beautifully. - Garnelio
Water values: medium hard to hard
Aquarium size: 100 l (approx. 80cm)
with crabs?: No
Temperature: 20-28 °C
Pelvic region: Everywhere
Feature: Colorful
Visual effect: interesting body shape
with fish?: Yes, with peaceful fish
Origin: Central America
Planting possible?: conditional* (see description)
Fish group: Tooth carp
Final size: 8-12 cm
Breeding: medium
Diet: omnivorous - omnivorous
with snails/shells?: Yes
with dwarf crabs?: Yes
with shrimps?: with dwarf shrimps, offspring is eaten
Difficulty: 1 - Simple
Behavior: Normal
with large crabs?: No
Age Expectancy: 3-5 years

The Koi Kohaku Lyra Swordtail Xiphophorus helleri is the veil form of the Koi Kohaku Swordtail. These particularly impressive representatives of the live-bearing toothcarps originate in their original form from Central America and South America, where the wild swordtails live in fast-flowing, plant-rich rivers. Sometimes they can be found as far as the mouths of rivers, where the water already has a certain salt content.

Here you buy a mixed sex group of the attractive and beautiful swordtail Koi Kohaku Lyra.

The Koi Kohaku Lyra Swordtail has a silvery white base color and a red-orange pattern that resembles the markings of a Koi carp. In males, the lower portion of the caudal fin is extended to form a sword, which may be red or silvery translucent. In swordtails, late males may occur that look like a female for an extended period of time, but then eventually develop a gonopodium. Also, in the Lyra form, both males and females have a veil-shaped caudal fin. The rest of the fins may also be somewhat enlarged in the lyratail.

Males and females are about 12 cm long when fully grown, and the sword on males is also about 4 cm long. Please note: In male Lyratail swordtails the gonopodium is partially altered in shape, not all are fertile. However, Lyratail females reliably inherit the veiltail when mated to a "normal" Koi Kohaku Swordtail male.

Lyratail Koi Kohaku Swordtail females give birth to live fry and can also store male semen for an extended period of time when mated. Therefore, offspring can occur even in female-only groups. A female can release up to 150 fry in a litter, but the adult Koi Kohaku Lyra swordtails will readily snatch them away. However, in well-planted aquariums with many fine-feathered plants, the fry will find cover, so animals will always get through. The small swordtails are already 6-9 millimeters long at birth.

Swordtails like to interact as a school with conspecifics and should therefore really never be kept individually. Different colors and fin shapes are tolerated, so you can mix without hesitation. Swordtails need medium to hard water and really like a slight addition of salt to the aquarium water. A water temperature of 20-28 °C in the aquarium is optimal for Xiphophorus helleri "Koi Kohaku Lyra".

Swordtails are distantly related to guppies and closely related to platies; they may even interbreed with platies. Socialization of swordtails with other small to large peaceful fish in a community aquarium works very well, as does socialization with larger shrimp such as Amano shrimp or fan shrimp. Even keeping them with small dwarf crayfish species from the genus Cambarellus tends not to cause any problems for the swordtails. Smaller dwarf shrimp and especially the young of the shrimp, on the other hand, can end up in the mouth of the swordtails. In an aquarium with a lot of moss and other hiding places for shrimps and a well reproducing dwarf shrimp like Neocaridina or Sulawesi shrimps the socialization can be successful.

In the wild, algae and soft aquatic plants, small crayfish, mosquito larvae and other insect larvae, as well as worms and insects are on the menu of Xiphophorus helleri. Koi Kohaku Lyra swordtails love green food in the aquarium: algae, soft vegetables (tomatoes, zucchini, squash, over-boiled spinach leaves, dandelion or nettle leaves) - and also soft aquarium plants. These tend to be spared more when vegetables and over-scalded soft greens are added to the diet. Swordtails will also happily eat flake food for omnivorous aquarium fish or special food granules for livebearers. Frozen food or live food such as grindal, water fleas or mosquito larvae complete the diet of Koi Kohaku Lyra swordtails.

Scientific name: Xiphophorus helleri
German name: Koi Kohaku Lyra Swordtail
Difficulty level: for beginners
Origin/distribution: South America
Coloration: silver-white ground color with red-orange koi pattern, sword in males red or silver-white transparent, caudal fin veil-like enlarged
Age expectancy: approx. 3 years
Water parameters: GH 12 to 30, KH 5-20, pH 7 to 8.5, temperature 20 to 28 °C
Tank size: from 80 l
Food: Omnivorous, in addition to flake food and granulated food, also likes frozen food or live food and soft vegetables or greens
Breeding: very easy
Behavior: very peaceful
Group size: at least 10
Additional information: <a href="https://www.garnelio.de/blog/garnelen/welche-fische-vertragen-sich-mit-garnelen="_blank">Which fish get along with shrimp?</a>, <a href="https://www.garnelio.de/en/blog/aquarist-tips/socialization-of-fish-with-dwarf-crabs" target="_blank">Association of fish and dwarf crayfish</a>, <a href="https://www.garnelio.de/blog/krebse/vergesellschaftung-von-fischen-und-grossen-flusskrebsen" target="_blank">Association of fish and large crayfish</a></td> </tr> </tbody></table>
  • 28970
  • 4251932208835

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Swordtail Koi Kohaku lyra - Xiphophorus helleri

Swordtail Koi Kohaku lyra - Xiphophorus helleri

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Question: "Hallo, handelt es sich bei den Schwertträgern um Albino? "

from Kevin (Garnelio)
from Kevin (Garnelio)

Hallo Stefan, vielen Dank für deine Frage! Es handelt sich nicht um eine Albinozuchtform.

Question: "Moin, wie ist das bei der Abnahme von 3 bzw 6 Tieren . Ist das zufällig welche Geschlechter man bekommt oder ist es möglich 2 bzw 5 Weibchen und ein Männchen zu bekommen ? Beste Grüße "

from Kevin (Garnelio)
from Kevin (Garnelio)

Hallo A, vielen Dank für deine Frage! Wir verkaufen die Tiere gemischtgeschlechtlich, achten aber so gut es geht darauf, dass du keine 4 Männchen und 1 Weibchen bekommst.

Question: "Hallo miteinander. Kann man sich die Geschlechter aussuchen, oder wird geliefert, was gerade ins Netz geht? Danke."

from Kevin (Garnelio)
from Kevin (Garnelio)

Hallo Susanne, vielen Dank für deine Frage! Die Tiere werden bei uns zufällig gefangen. Wir achten aber darauf, dass die Becken gut gemischt sind. 

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