Glowlight Tetra (Hemigrammus erythrozonus) in aquarium
🌿 Freshwater · Amazonas|Neotropical|Parque Nacional Natural Serranía de Chiribiquete

Glowlight Tetra

Hemigrammus erythrozonus — Characidae
🏠 Origin: Amazonas|Neotropical|Parque Nacional Natural Serranía de Chiribiquete
📏 Size: 4-6
Lifespan: 5
Care level: Beginner

Glowlight Tetra Overview

The Glowlight Tetra is a vibrant, peaceful community fish known for its silver body and bright red-gold highlights. It thrives in a well-planted tank with plenty of swimming space and a gentle water flow. These tetras are easy to care for and are suitable for beginners.

Quick fact: Hemigrammus erythrozonus belongs to the family Characidae. Care level: beginner.

Glowlight Tetra Scientific Classification

RankClassification
FamilyCharacidae
GenusHemigrammus
SpeciesHemigrammus erythrozonus
Water typefreshwater
Native rangeAmazonas|Neotropical|Parque Nacional Natural Serranía de Chiribiquete (PNNSCh)

Glowlight Tetra Natural Habitat

Native to the clear waters of the Rio Xingu in Brazil, Hemigrammus erythrozonus prefers fast-flowing streams and tributaries.

Glowlight Tetra Appearance & Size

With its slender body and striking coloration, the Glowlight Tetra is a popular choice for its beauty and compatibility with other small species.

Coloration: Metallic silver body with red-gold coloration, vivid under proper lighting

Glowlight Tetra Behavior & Temperament

Glowlight Tetras are active swimmers and can be kept in groups of 6 or more. They are generally peaceful but may show some aggression towards other small fish.

TraitValue
Temperamentactive community fish
SchoolingNo
Activity levelmoderate

Glowlight Tetra Water Requirements

ParameterIdeal RangeNotes
Temperature2226°C (7279°F)Use a reliable adjustable heater
pH67Avoid sudden swings
Hardness (GH)5-20 dGH dGHSoft to moderately hard
Ammonia0 ppmAny detectable ammonia signals a problem
Nitrite0 ppmToxic even at low levels
Nitrate<20 ppmManage through regular partial water changes
Min. tank30L (8 gal)Larger tanks are easier to keep stable
Important: Always dechlorinate tap water before adding it to the tank. Chlorine and chloramines damage a fish's gills and reduce life expectancy.

Interesting Facts About Glowlight Tetra

  • They can change color based on the water quality and light conditions.
  • Male tetras exhibit a brighter coloration than females.
  • These fish are known to have a unique way of chasing after their own reflection.

Related Species & Guides

Editorial review

This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.