Red Eye Tetra - L

Species Profile

• Scientific Name: Moenkhausia sanctaefilomenae
• Common Name: Moenkhausia Balloon, Balloon Red Eye Tetra
• Adult Size: 2.5 to 3 inches (6–7.5 cm)
• Life Expectancy: 3 to 5 years
• Habitat: Slow-moving rivers and tributaries in South America, especially in the Amazon and Paraguay river basins.

Tank Requirements

• Minimum Tank Size: 20 gallons (75 liters) for a small school
• Ideal Temperature: 72°F to 79°F (22°C to 26°C)
• pH Range: 6.0 to 7.5
• Water Hardness: 5 to 20 dGH
• Temperament: Peaceful and schooling; best kept in groups of 6 or more

Diet & Nutrition

• Omnivorous: Yes
  Will eat a variety of foods, including:

  • High-quality flake or micro pellets
  • Live or frozen foods (brine shrimp, daphnia, bloodworms)
  • Vegetables or spirulina-based supplements

Appearance

• Coloration: Silver body with a metallic sheen; distinctive red eyes

• Body Shape: The "Balloon" variety has a rounded, compressed body due to selective breeding, giving it a more compact and swollen appearance compared to the standard form

Distinctive Features

• Prominent red eyes (hence the name Red Eye Tetra)
• Balloon variety features a shorter, deeper body caused by genetic modification
• Schooling behavior with coordinated, fast movements
• Hardy and adaptable, making it a good choice for community tanks