Quick Care Facts

Water Type
Freshwater
Minimum Tank Size
20 gallons
Care Level
Moderate
Temperament
Peaceful
Temperature Range
74°F to 82°F (23°C to 28°C)
pH Range
5.5 to 7.0
Adult Size
1.5 to 2 inches (4 to 5 cm)
Diet
Omnivorous; readily accepts high-quality micro flakes, small pellets, and frozen foods like brine shrimp and daphnia.

Overview & Characteristics

Hemigrammus rhodostomus is a popular schooling tetra from South America recognized by its vibrant bright red nose and patterned tail fin.

Behavior & Schooling: Strict schooling fish; requires groups of at least 6 to 8 individuals, though larger groups display better schooling behavior.

Water Parameters & Environment

Stable water parameters are critical for long-term health. Avoid rapid fluctuations in temperature and pH when performing routine water changes.

  • Temperature: 74°F to 82°F (23°C to 28°C)
  • pH Range: 5.5 to 7.0
  • Water Type: Freshwater
  • Minimum Volume: 20 gallons

Diet & Tank Mates

Dietary Needs: Omnivorous; readily accepts high-quality micro flakes, small pellets, and frozen foods like brine shrimp and daphnia.

Compatibility: Ideal community fish for peaceful tropical tanks containing small tetras, rasboras, corydoras, and dwarf cichlids.

Temperament: Peaceful.

Health & Sensitivities

Highly sensitive to poor water quality and elevated nitrates, often losing the red color in their nose when stressed or unhealthy.

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Editorial methodology

Aqua AI species profiles are compiled from canonical database records, taxonomy standards, and verified captive husbandry guidelines. Captive water ranges represent general baseline parameters; always observe livestock behavior and perform regular water tests.