Head & Tail Light Tetra

The (Hemigrammus ocellifer) is a peaceful, attractive freshwater schooling fish named for the two distinctive reflective “light" spots located near the eye and at the base of the tail. These markings shimmer under aquarium lighting, making the species especially appealing in planted community aquariums.

Calm and social by nature, s thrive when kept in groups and show their best colour and confidence in stable, well-maintained aquariums. Their gentle temperament makes them an excellent choice for peaceful community setups. Physical Characteristics

Adult Size: Approximately 4–5 cm (1.5–2 inches)

Coloration: Silver body with a reflective spot behind the eye and a second light marking at the tail base; subtle copper or yellow tones may appear

Body Shape: Slender, classic tetra profile

Sexual Dimorphism:

Females are slightly larger and fuller-bodied

Males are slimmer and may show brighter markings Behaviour & Temperament

Temperament: Peaceful

Tank Level: Mid-water

Schooling Behaviour: Must be kept in groups of 6 or more

Activity Level: Moderately active Suitable Tank Mates

Other peaceful tetras

Rasboras

Corydoras catfish

Small peaceful gouramis

Catfish

Avoid:

Aggressive or highly territorial fish

Fin-nipping species

Large predatory fish Breeding Information

Spawning Type: Egg scatterer

Breeding Setup:

Fine-leaved plants or spawning mops

Soft, slightly acidic water improves success

Parental Care: None

Notes: Adults may eat eggs; removal is required for breeding attempts Special Considerations

Sensitive to poor water quality

Displays best colour and schooling behaviour in larger groups

Performs best in planted aquariums with subdued lighting

Gentle filtration preferred Aquarium Requirements

Minimum Tank Size: 60 litres for a small school

Water Temperature: 22–27°C

pH Range: 6.0–7.5

Water Hardness: 4–15 dGH

Substrate: Sand or fine gravel

Decor: Live plants, driftwood, shaded areas

Filtration: Moderate, well-maintained

Lighting: Moderate; plants help diffuse brightness Diet & Feeding

Diet Type: Omnivore

Recommended Foods:

High-quality flakes or micro pellets

Frozen foods such as daphnia and brine shrimp

Occasional live foods for conditioning

Feeding Frequency: Once or twice daily in small portions

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