Glowlight tetra size: how big does it get?

Adults reach about 4 cm. Record sizes among the 11 Hemigrammus species on LumaReef: 3.3 cm (Hemigrammus belottii) to 5.3 cm (Golden Tetra).

Glowlight tetra tank size: what is the minimum?

A tank at least 60 cm long. In LumaReef that is the Nano tank or larger.

Glowlight tetra water parameters: what does it need?

Temperature 23–28 °C, pH 5.5–7.5, hardness 1–12 °dGH. Close to what most Hemigrammus on LumaReef need (23–27 °C).

Glowlight tetra tank mates: what can it live with?

It gets along with 80 of the 99 freshwater species in the catalogue, such as Black neon tetra, Serpae tetra, and Guppy.

FreshwaterIn the market70 coinsCommon

Glowlight tetra

Hemigrammus erythrozonus

Calm and slow, holding as a loose shoal just below mid-water.

The Glowlight tetra (Hemigrammus erythrozonus) is a tropical freshwater fish of the family Acestrorhamphidae. It swims in midwater, close to the bottom. Adults grow to about 4 cm. In the aquarium it needs a tank at least 60 cm long and water at 23–28 °C.

Size: 4 cm
Smallest tank: 60 cm
Temperature: 23–28 °C
Care: Easy

In the aquarium

Temperature23–28 °C

pH5.5–7.5

Hardness1–12 °dGH

Temperament: Peaceful
Diet: Omnivore
Activity: Calm
Water layer: Mid water
Group: Happiest in a group of 8 or more
Plants: Plant safe

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

Nano60 cm · 65 litres23 of them
Standard90 cm · 180 litres64 of them
Wide120 cm · 300 litres107 of them
Living room180 cm · 650 litres232 of them
Showcase250 cm · 1,200 litres428 of them
Gallery300 cm · 1,440 litres514 of them

Who it lives with

Gets along80 species

and 56 more species

Caution10 species

Narrow shared temperature range

Not together9 species

Aggressive with peaceful

Water temperatures do not overlap

In the wild

Water type: Freshwater
Climate zone: Tropical
Habitat: Midwater, close to the bottom
Aquarium trade: Very common

Conservation status

Classification

OrderCharaciformes
FamilyAcestrorhamphidae
GenusHemigrammus
SpeciesHemigrammus erythrozonus

In other languages

German: Glühlichtsalmler
Russian: Тетра-светлячок
Chinese: 紅帶半線脂鯉

Quick answers

Glowlight tetra size: how big does it get?: Adults reach about 4 cm. Record sizes among the 11 Hemigrammus species on LumaReef: 3.3 cm (Hemigrammus belottii) to 5.3 cm (Golden Tetra).
Glowlight tetra tank size: what is the minimum?: A tank at least 60 cm long. In LumaReef that is the Nano tank or larger.
Glowlight tetra water parameters: what does it need?: Temperature 23–28 °C, pH 5.5–7.5, hardness 1–12 °dGH. Close to what most Hemigrammus on LumaReef need (23–27 °C).
Glowlight tetra tank mates: what can it live with?: It gets along with 80 of the 99 freshwater species in the catalogue, such as Black neon tetra, Serpae tetra, and Guppy.
Glowlight tetra: alone or in a group?: Keep at least 8 together.
Glowlight tetra and plants: is it plant safe?: Yes, it leaves plants alone.