Product Details


1cm - 3cm

Care Level




Water Conditions

Hyphessobrycon sweglesi, commonly known as the Red Phantom Tetra, is a captivating and vibrant freshwater fish that adds a touch of color and beauty to any aquarium. With its striking red and black coloration, Hyphessobrycon sweglesi is a popular choice among aquarists who seek visually stunning and active schooling fish for their tanks. Originating from South America, particularly the Orinoco and Rio Negro river basins, these tetras are known for their peaceful nature, shoaling behavior, and their ability to adapt to various water conditions. Let's explore a detailed description of these remarkable tetras, including essential information on their appearance, water conditions, tank setup, feeding habits, and care.


  • Striking Coloration: Hyphessobrycon sweglesi features a vivid red body with contrasting black markings on its fins and sides, making them visually captivating and stand out in the aquarium.
  • Size: They are small fish, reaching an adult length of around 1.5 to 2 inches (4 to 5 centimeters) in captivity.

Water Conditions:

  • Temperature: Maintain a tropical water temperature range of 72°F to 80°F (22°C to 27°C) to ensure the well-being of Red Phantom Tetras.
  • pH Level: Aim for a slightly acidic to neutral pH level between 6.0 and 7.5 to replicate their natural habitat.
  • Water Hardness: Provide a moderately soft to moderately hard water with a hardness level between 5 and 12 dGH.

Tank Setup:

  • Tank Size: Hyphessobrycon sweglesi can be kept in a small to medium-sized tank of at least 20 gallons (75 liters) due to their small size and shoaling nature.
  • Aquascape: Create a well-decorated environment with live plants, smooth rocks, and driftwood to mimic their natural habitat and offer hiding spots.
  • Schooling Fish: Red Phantom Tetras are social and should be kept in a group of at least six individuals to feel secure and exhibit their natural behaviors.
  • Peaceful Tank Mates: They are generally peaceful and can be kept with other peaceful community fish species.

Feeding Habit:

  • Omnivorous Diet: Hyphessobrycon sweglesi is an omnivore and accepts a wide variety of foods.
  • High-Quality Flakes and Pellets: Offer high-quality tropical fish flakes or pellets suitable for their size and species as their primary diet.
  • Supplementary Foods: Provide occasional treats of live or frozen foods such as brine shrimp, daphnia, or bloodworms to supplement their diet.


  • Peaceful Nature: Red Phantom Tetras are generally peaceful and can be kept with other peaceful community fish species.
  • Shoaling Behavior: Keeping them in a group encourages their natural shoaling behavior and reduces stress.
  • Observation: Monitor their behavior and appearance to ensure they are healthy and showing no signs of stress or illness.

Hyphessobrycon Sweglesi

SGD 1.50


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