GeneticOS
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Glowlight tetra

Hemigrammus erythrozonus

Glowlight tetra (Hemigrammus erythrozonus)
Photo: Nevit Dilmen · CC BY-SA 3.0 · Wikimedia Commons

The glowlight tetra comes from the Essequibo River in Guyana, from forest tributaries. Peaceful and schooling. Fish in the trade are farm-bred; there is also an albino form. The female is larger and rounder. It scatters its eggs among fine-leaved plants, in soft water.

Scientific name
Hemigrammus erythrozonus
Family
Acestrorhamphidae

Fact sheet

General

Water
Freshwater
Group
Fish

Taxonomy

Family
Acestrorhamphidae
Order
Characiformes

Origin

Native region
América do Sul

Water

Temperature
24–28 °C
pH
5.5–7.5
General hardness (GH)
2–15 °dGH

Size and lifespan

Adult size
4 cm
Minimum tank (volume)
68 L
Minimum tank (length)
60 cm

Behavior

Social life
School
Minimum group
6
Swimming level
Middle
Diet
Omnivore

Care

Care difficulty
Moderate

Reproduction

Breeding strategy
Egg scatterer

Conservation and trade

IUCN status
Least concern (LC)

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