Description
Rosy Tetra
📌 Basic Info
Scientific Name: Hyphessobrycon rosaceus
Common Names: Rosy Tetra, Rose Tetra
Family: Characidae (Tetra Family)
Order: Characiformes
Origin: South America — primarily the Rio Tapajós and surrounding Amazon tributaries in Brazil
Size: Up to 2 inches (5 cm) in captivity
Lifespan: 3 – 5 years
Tank Zone: Mid-level swimmer
🌊 Water Parameters
TDS: 50 – 200 ppm
pH: 6.0 – 7.0
Temperature: 23 – 27°C (73 – 81°F)
Hardness: 2 – 15 dGH
🐟 Characteristics
Body: Small, laterally compressed body with smooth scales.
Coloration: Silvery body with pink to rosy hues along the midline; fins often slightly red or translucent.
Fins: Short, rounded fins; dorsal fin may have a hint of black edging.
Behavior: Peaceful, schooling fish; prefers groups of 6 or more.
Nature: Active, social, and mid-level swimmer.
Special Feature: Enhances coloration when kept in schools and in well-planted tanks.
🍽️ Food
Type: Omnivorous
Diet: Flakes, micro-pellets, live/frozen foods such as daphnia, brine shrimp, and bloodworms.
Feeding Frequency: Once or twice daily.
Tip: Feed small amounts multiple times a day for best health and color.
🛠️ Maintenance
Tank Size: Minimum 60 liters (15 gallons) for a small school.
Filtration: Moderate filtration; gentle water flow preferred.
Substrate: Fine gravel or sand; smooth substrate recommended.
Decor: Plants, driftwood, and open swimming areas; floating plants provide comfort.
Lighting: Moderate; enhances rosy coloration.
Water Change: 20–25% weekly.
👥 Social Behavior
Group Size: Best kept in schools of 6 or more.
Tank Mates: Peaceful community fish such as rasboras, guppies, and other small tetras.
Avoid: Aggressive or fin-nipping species.
Compatibility Note: Very social; stress occurs if kept alone or in too small groups.
✅ Do’s
Keep in schools to maintain color and behavior.
Provide plants and open swimming areas.
Maintain clean water with regular changes.
Feed a varied diet including live and frozen foods.
❌ Don’ts
Don’t keep singly; they are schooling fish.
Don’t house with aggressive species.
Don’t neglect water quality; sensitive to ammonia/nitrite.
⭐ Quick Tips
Rosy Tetras are small, vibrant, and peaceful freshwater fish ideal for community tanks. Their rosy coloration and active schooling behavior make them a beautiful addition to planted aquariums or colorful community setups.


