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Tetra

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Traits & behavior

Carnivores
Instead of plants, these fish eat aquatic crustaceans, worms and aquatic insect larvae.

Middle swimmers
You will see your tetras swimming in the middle of your aquarium. To create a beautiful environment, be sure to add some top and bottom swimmers as well. Ask a PetSmart associate to help you choose.

Non-aggressive
Tetras are peaceful and live best in a community aquarium with fish of the same disposition.

Schoolers
That means they like to swim in groups of five or more.
 

Things to remember

Adding fish
Whether you're just starting your aquarium or introducing new fish into your tank, don't forget to add only 1-3 at a time.

Safety & cleanliness
Please remember that all pets may bite or scratch, and may transmit disease to humans. Keep your pet's home clean and wash your hands before and after handling your pet or cleaning his home. Infants, young children, pregnant women, people with compromised immune systems, and the infirm or elderly are at greater risk of infections and should use caution when in contact with the pet or its habitat. Consult your doctor for more information.
 

Nutrition

Staple diet
To boost your Tetras? color and overall health, choose a natural, color-enhancing flake food. Feed according to the directions on the packaging.

Specialty foods
Vary their diet by including frozen or freeze-dried bloodworms, tubifex worms and other small worms, mosquito larvae and daphnia. Always remember to thaw frozen foods before feeding.

Frequent feedings
For optimum health, feed your tetras as much food as they will consume in 1-3 minutes, twice a day. You can alternate between regular staple diet feedings and 2-4 meals per week of a specialty food.

Health

Signs your tetras are healthy:

  • Eating vigorously and actively swimming
  • Clear eyes, smooth, clean skin and fins free from any lesions or inconsistent colorations
  • Calm, steady gill movements

Things to watch for:

  • Lying on bottom of aquarium
  • Poor growth or weight loss
  • Inflamed gills, skin or fins
  • Fins clamped to sides
  • Scraping body on rocks
  • Swimming away from the school

If you notice any of the signs described above, check your aquarium water quality and consult a PetSmart Aquatics Specialist.
 

Environment

Aquarium
Tetras need a long or large aquarium where they can swim as a school. A good rule of thumb is one gallon of water for every one inch of full-grown fish.

Décor
Decorate their aquarium with lots of plants, but be sure to place them on the sides and back of the tank so they'll have enough space to swim in the center.

Fish compatibility
Tetras can share their aquarium with other community danios, rasboras, catfish and less aggressive barbs and gouramis.

Lighting
Because tetras like diffused light, we suggest placing a layer of floating plants in the aquarium.

Water changes
Test water weekly to assess water quality. It is recommended that 10% of your aquarium water be changed per week. At the very least, 25% of your aquarium water should be changed per month.

Water temperature
Tetras require a tropical community aquarium with water temperatures ranging between 72-78° F. Use an aquarium heater to maintain water temperature.

Aquarium placement
Place your aquarium in a low-traffic area, away from direct sunlight and drafts.

Aquarium stand
An aquarium stand will safely support the weight of your filled aquarium.

 

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