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Hemigrammus erythrozonus - Glowlight TetraMagyarul / Hungarian
Hemigrammus erythrozonus - Glowlight TetraHemigrammus erythrozonus - Glowlight TetraHemigrammus erythrozonus - Glowlight TetraHemigrammus erythrozonus - Glowlight Tetra
  • Scientific name: Hemigrammus erythrozonus
  • Common name: Glowlight Tetra
  • Synonyms: Hemigrammus gracilis
  • Group: Characins
  • Habitat: South America, Guyana
  • Size: 4-4,5 cm
  • Biotope: Native to the Essequibo River.
  • Social behavior: Another peaceful, schooling fish suggested for a community tank.
  • Diet: Omnivorous, small live foods, three to four times daily.
  • Breeding: Quite easy
  • Tank: Minimum 65 litres
  • Population: 6 fish for 70 litres
  • Decoration: Peaty water and floating plant cover is suggested. The tank should have a dark substrate to help bring out the Glowlight Tetra's neon-orange stripe.
  • Temperature: 22-28°C
  • pH: 6-7,5
  • Hardness: 6-15 NK°
  • Lifespan: 4-5 years

Description: Glowlight Tetra is silver in colour and a bright iridescent orange to red stripe extends from the snout to the base of its tail. The front part of the dorsal fins are the same color as the stripe. Other fins are silver to transparent. It is slightly larger than the neon tetra. As they get older, the stripe becomes more and more pronounced.

Female is larger and stronger with round vental section, male is slender. It may be hard to tell male from female until the fish are fully mature and females fill with eggs. Glowlight tetras breed similarly as most egg-scattering small fish. A small 40L all glass tank with soft water hardness up to 8°dGH and carbonate hardness should not be higher than 2°dGH. Water temperature should be kept between 26° and 28 °C (78 F to 82 F). Adding peat to the tank or filter will soften water and make it slightly acidic. The tank should have dim or no lighting. They spawn over fine-leaved plants like Java Moss. After conditioning a pair on live foods for a few weeks, introduce the pair into the breeding tank during the evening. The pair should spawn within two or three days. 120-150 eggs are dropped in plants and on the bottom. The eggs are light sensitive, so the breeding tank should be as dark as possible. The fry hatch in 20 to 25 hours. Feed the young crushed flakes and Rotifers. After about 15 days, the young develop the characteristic orange stripe.

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