Brand: AQUAStore
Product Code: Blue Widow Tetra Fish (Pair)
Availability: In Stock
Rs.130/- Rs.200/-

Blue Widow Tetra Fish

Blue Widow Tetra Fish (Pair)


The Blue Widow Tetra, scientifically known as Gymnocorymbus ternetzi, is a strikingly beautiful and active freshwater fish, perfect for adding a splash of color and movement to any community aquarium. Known for its iridescent blue hue and peaceful temperament, the Blue Widow Tetra is a favorite among both beginner and experienced aquarists.


  • Scientific Name: Gymnocorymbus ternetzi
  • Common Name: Blue Widow Tetra
  • Size: Up to 2 inches (5 cm)
  • Lifespan: 3-5 years
  • Origin: South America
  • Diet: Omnivorous - enjoys a varied diet of flakes, pellets, and live or frozen foods
  • Water Conditions: pH 6.0-7.5, Temperature 72-82°F (22-28°C)
  • Behavior: Peaceful, suitable for community tanks
  • Tank Size: Minimum 10 gallons

Care Instructions:

Tank Setup:

  • Aquarium Size: A minimum of 10 gallons is recommended for a small school of Blue Widow Tetras.
  • Water Conditions: Maintain a pH between 6.0 and 7.5 and a temperature range of 72-82°F (22-28°C). Regular water changes and good filtration are essential to keep the water quality high.
  • Decor: Provide plenty of plants, driftwood, and hiding places to mimic their natural habitat and make them feel secure. They thrive in a well-planted aquarium with moderate lighting.


  • Feeding: Blue Widow Tetras are omnivorous and thrive on a varied diet. Offer high-quality flake food, micro pellets, and occasional treats of live or frozen foods like brine shrimp, daphnia, or bloodworms.

Behavior and Compatibility:

  • Social Structure: Blue Widow Tetras are schooling fish and should be kept in groups of at least six to display their best colors and natural behaviors.
  • Tank Mates: They are peaceful and compatible with other small, non-aggressive fish such as other tetras, rasboras, guppies, and small catfish.

Health and Wellness:

  • Observation: Regularly check for signs of stress or illness, such as clamped fins, unusual swimming patterns, or spots. Quarantine new fish before introducing them to your main tank to prevent the spread of diseases.
  • Maintenance: Perform regular water changes (20-25% weekly) and monitor water parameters to keep your tetras healthy and vibrant.

The Blue Widow Tetra is an excellent choice for aquarists looking to add a vibrant, peaceful fish to their community aquarium. With proper care and a suitable environment, these stunning fish will thrive and add beauty to your underwater world.

You will get a pair (Male and Female) of Blue Widow Tetra Fish. The packet is fully sealed with pure oxygen and it is safe to travel long distances for 5-7 days. Buying Blue Widow Tetra Fish online from aquastore is totally safe, we are delivering you with 100% satisfaction.

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