Super Blue Kerri Tetra (Inpaichthys kerri 'Super Blue') is a selectively bred variant of the Blue Emperor Tetra, prized for its intensely vibrant sapphire-blue coloration and peaceful temperament.
Species Overview
- Scientific Name: Inpaichthys kerri (Super Blue variant)
- Common Names: Super Blue Kerri Tetra, Super Blue Emperor Tetra, False Royal Tetra
- Origin: Aripuanã River, upper Madeira Basin, Brazil
- Size: 1.5–2 inches (3.5–5 cm)
- Lifespan: 3–5 years
- Temperament: Peaceful, shoaling
Appearance
- Coloration: Metallic, electric blue body with subtle violet or purple hues
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Sexual Dimorphism:
- Males: More vibrant, slimmer, blue adipose fin
- Females: Slightly rounder, reddish adipose fin
Natural Habitat
- Native to slow-moving, tannin-rich tributaries with soft, acidic water
- Waters are often tea-colored due to decaying leaf litter
- Mimic with driftwood, leaf litter, and subdued lighting
Tank Setup
- Tank Size: Minimum 15–20 gallons for a group of 6+
- Substrate: Dark sand or fine gravel
- Decor: Driftwood, Indian almond leaves, alder cones, live plants
- Lighting: Low to moderate (floating plants help diffuse light)
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Water Parameters:
- Temperature: 72–80°F (22–27°C)
- pH: 5.5–6.9
- Hardness: 3–5 dGH
- TDS: 80–100 ppm
Diet
- Type: Omnivore
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Preferred Foods:
- High-quality flakes and micro pellets
- Frozen/live foods: brine shrimp, daphnia, bloodworms
- Spirulina flakes for fiber and color enhancement
- Ideal with:
- Other peaceful tetras
- Rasboras
- Corydoras
- Small dwarf cichlids (e.g., Apistogramma)
- Avoid:
- Large or aggressive fish
- Fin-nippers or overly active species
Breeding
- Spawning: Egg scatterers
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Conditions:
- Soft, acidic water
- Dense plants or spawning mops
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Fry Care:
- Remove adults post-spawning
- Feed fry infusoria, then baby brine shrimp
Super Blue Kerri Tetra (Inpaichthys kerri)
