Blue Emperor Tetra

The (Inpaichthys kerri) is a striking freshwater schooling fish admired for its iridescent blue body, dark lateral stripe, and elegant finnage. This species is slightly more assertive than smaller tetras but remains peaceful when kept in suitable groups and aquarium conditions.

s are best suited to well-maintained community aquariums with stable water parameters. When kept in schools, males display impressive colour intensity and social behaviour, making this species a standout in planted or aquascaped tanks. Physical Characteristics

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

Coloration: Metallic blue body with a dark horizontal stripe; fins may show purple or black edging

Body Shape: Slender, elongated tetra profile

Sexual Dimorphism:

Males are more colourful with longer, more pointed fins

Females are slightly larger and rounder with subtler colouration Behaviour & Temperament

Temperament: Peaceful to semi-peaceful

Tank Level: Mid-water

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

Activity Level: Active, especially males displaying dominance Suitable Tank Mates

Other medium-sized peaceful tetras

Rasboras

Corydoras catfish

Dwarf cichlids (peaceful species, Bolivian Rams)

Small gouramis

Catfish

Avoid:

Very small or timid fish

Aggressive or highly territorial species

Fin-nippers Breeding Information

Spawning Type: Egg scatterer

Breeding Setup:

Soft, slightly acidic water

Fine-leaved plants or spawning mops

Parental Care: None

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

Males may show mild aggression if kept in small groups

Best colouration achieved with stable water quality and subdued lighting

Performs best in planted aquariums with visual barriers

Avoid overcrowding Aquarium Requirements

Minimum Tank Size: 60-80 litres

Water Temperature: 22–28°C

pH Range: 5.5–7.5

Water Hardness: 2–10 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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