Head-and-Tail Light Tetra (Hemigrammus Ocellifer)
 
The Head-and-Tail Light Tetra is a peaceful and hardy schooling fish named for its distinctive reflective spots near the eye and at the base of the tail, which resemble tiny headlights and taillights. Active yet gentle, this tetra is an excellent choice for community aquariums and looks especially striking when kept in larger shoals.
 
Care Sheet
Scientific Name: Hemigrammus ocellifer
Common Name: Head-and-Tail Light Tetra
Origin: South America – widely distributed in the Amazon and surrounding river basins
Max Size: 4–5 cm
Lifespan: 3–5 years
Temperament: Peaceful, shoaling
 
Aquarium Requirements
Tank Size: Minimum 60 litres
Temperature: 23–27°C
pH: 5.5–7.5
Hardness: 2–12 dGH
Aquascape: Planted aquarium with open swimming space; darker substrate and subdued lighting enhance colouration
 
Diet
Omnivorous; will eat high-quality flakes, micro-pellets, and live/frozen foods such as daphnia, bloodworms, and brine shrimp.
A varied diet promotes strong colours and good health.
 
Compatibility
Keep in groups of 6 or more for natural schooling behaviour.
Excellent community fish; tankmates include other small tetras, rasboras, Corydoras, dwarf cichlids, and small gouramis.
Avoid housing with large or aggressive fish.
 
Breeding
Egg scatterer with no parental care.
Breeding requires soft, acidic water and fine-leaved plants or spawning mops.
Remove adults after spawning to prevent egg predation.
Fry need infusoria as a first food before transitioning to baby brine shrimp.
 
Summary: The Head-and-Tail Light Tetra is a shimmering, peaceful shoaling fish that adds movement and sparkle to community aquariums. Hardy and adaptable, it thrives in planted setups and is best kept in groups for a lively and natural display.