Rosy Tetra

The Rosy Tetra (Hyphessobrycon rosaceus) is a small, peaceful freshwater fish native to South America, featuring a rose-pink body, red fins, and a distinct white-tipped dorsal fin.

Overview and Habitat

• Origin: Found in the slow-moving, tannin-stained streams and river basins of Guyana, Suriname, and Brazil.
• Size: Grows to about 3 to 4 cm (1.2 to 1.6 inches) in length.
• Lifespan: Typically lives between 3 to 5 years.

Aquarium Care Requirements

• Tank Size: Minimum of 20 gallons (60–75 liters) to comfortably house a school.
• Water Parameters:
  • Temperature: 24–28°C (75–82°F)
  • pH: 5.5 to 7.5
  • Soft to moderately hard water
• Environment: Thrives best with dark substrate, driftwood, dense planting, and subdued or dimmed lighting.

Behavior and Diet

• Social Nature: A schooling species that must be kept in groups of at least 6 individuals to reduce stress and display natural behavior.
• Tank Mates: Highly peaceful with other small community fish, though males may display and flare fins. Avoid housing them with aggressive or large fin-nipping species.
• Diet: Omnivorous; accepts high-quality flakes, micro-pellets, and frozen or live foods like bloodworms and brine shrimp.

For a close-up look at their appearance and schooling behavior in an aquarium, you can explore additional resources such as videos and care guides.