Description
Red Phantom Tetra (Hyphessobrycon sweglesi)
📌 Basic Info
Scientific Name: Hyphessobrycon sweglesi
Common Name: Red Phantom Tetra
Size: ~1.6 inches (4 cm)
Lifespan: 4 – 6 years
Tank Zone: Middle swimmers
🌊 Water Parameters
TDS (Total Dissolved Solids): 80 – 200 ppm
pH: 6.0 – 7.5
Temperature: 23°C – 28°C (73°F – 82°F)
Water Type: Soft, slightly acidic, well-filtered water
🐟 Characteristics
Peaceful schooling fish with a reddish body and black shoulder spot
Males are more colorful and slimmer; females fuller-bodied
Look stunning in planted aquariums with dark substrate
Great choice for peaceful community tanks
🍽️ Food
Type: Omnivorous
Diet: Flakes, micro-pellets, frozen/live foods (brine shrimp, daphnia, bloodworms)
Feeding Frequency: 1–2 times daily, in small amounts
🛠️ Maintenance
Weekly water change: 20–30%
Prefers planted aquariums with shaded spots and open swimming areas
Gentle filtration, stable water quality is important
Avoid sudden changes in water parameters
👥 Social Behavior
Minimum Group Size: 6 (better in 8–10+)
Tank Mates: Peaceful species – other tetras, rasboras, guppies, mollies, corydoras, dwarf gouramis, shrimps
Avoid: Aggressive or fin-nipping fish, large predatory species
✅ Do’s
Keep them in schools for best colors and natural behavior
Provide plants, driftwood, and hiding spots
Use darker substrate to enhance their red coloration
❌ Don’ts
Don’t keep them alone or in pairs → causes stress
Don’t keep with aggressive or large tank mates
Don’t neglect water changes → sensitive to poor water quality
⭐ Quick Tips
A colorful and peaceful tetra that adds bright red tones to community tanks
Thrives best in planted, slightly shaded aquariums
Ideal for aquarists who want both beauty and easy care
