Head and Tail Light Tetra (Hemigrammus ocellifer) in aquarium
๐ŸŒฟ Freshwater ยท Tropical

Head and Tail Light Tetra

Hemigrammus ocellifer โ€” Characidae
๐Ÿ“ Size:ย 4-5
โณ Lifespan:ย 5
โญ Care level:ย Beginner

Overview

The Head and Tail Light Tetra is a popular freshwater fish known for its vibrant colors and peaceful nature. It is suitable for beginners and can thrive in a well-maintained community tank. These tetras are active and enjoy swimming in groups, making them a great addition to any aquarium.

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

Scientific Classification

RankClassification
FamilyCharacidae
GenusHemigrammus
SpeciesHemigrammus ocellifer
Water typefreshwater

Natural Habitat

Native to the Amazon River basin in South America, Hemigrammus ocellifer thrives in slow-moving, oxygen-rich waters with dense vegetation.

Appearance

These tetras have a silvery body with red eyes and distinct black markings on their tail and anal fins. Their slender, torpedo-shaped bodies are typical of characins.

Coloration: silvery body with red eyes, black on the tail and anal fins

Behavior

Hemigrammus ocellifer is generally peaceful and can be kept with other non-aggressive fish. They are not known to school and prefer a well-planted tank with open swimming space.

TraitValue
Temperamentpeaceful community fish
SchoolingNo
Activity levelmoderate
Important: requires a well-planted tank with open swimming space

Water Requirements

ParameterIdeal RangeNotes
Temperature22โ€“28ยฐC (72โ€“82ยฐF)Use a reliable adjustable heater
pH6โ€“7Avoid sudden swings
Hardness (GH)2-8 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. tank20L (5 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

  • They are known for their bright red eyes that stand out against their silvery bodies.
  • These tetras are often found in groups in the wild, but they do not school in the aquarium.
  • They are known to be quite hardy and can tolerate a range of water conditions, making them a good choice for beginners.

๐Ÿ“‹ Full Care Guide

Ready to set up a tank for your Head and Tail Light Tetra? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.

Read Head and Tail Light Tetra Care Guide โ†’

Related Species & Guides

โœ“
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.