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The Rummynose Tetra, scientifically known as Hemigrammus rhodostomus, is a popular and visually striking freshwater fish often chosen for its vibrant colors and schooling behavior. This tetra species is known for its distinctive red nose and attractive appearance, making it a sought-after addition to community aquariums.


  • Average Size: 1.5 inches
  • Max Size: Up to 1.5 inches
  • Tank Size Required: 20 gallons or larger, depending on the size of the school.


Temperament: Rummynose Tetras are peaceful and sociable fish that thrive in groups. They exhibit schooling behavior, and keeping them in groups of six or more enhances their well-being and natural behaviors.


Unique Traits: Distinguished by their bright red noses and striking silver bodies, Rummynose Tetras are named for the distinctive "rummy" coloration on their snouts. When kept in optimal conditions, their red noses create a captivating display.


Origin: Indigenous to the Amazon River basin in South America, Rummynose Tetras are found in clearwater tributaries and streams.


Other Names:

  • Hemigrammus rhodostomus
  • Rednose Tetra


Care Level: Easy to Moderate


Diet: Rummynose Tetras are omnivores and accept a variety of foods. A balanced diet includes high-quality flake or pellet food, supplemented with small live or frozen foods like brine shrimp or daphnia.


Characteristics and Looks: The distinguishing feature of the Rummynose Tetra is its bright red nose, which extends into a "rummy" coloration on the snout. The silver body and contrasting black tail further enhance their attractive appearance.


Water Parameters:

  • pH: 6.0-7.5
  • gH (General Hardness): 2-12 dGH
  • kH (Carbonate Hardness): 2-6 dKH
  • Temperature: 75-82°F


Disclaimer: "Please note that these are general guidelines, and for more accurate values, we encourage you to contact Living Aquarium by phone or in person. Within store hours, our team of experts is always happy to answer any questions you may have and provide personalized guidance on care."

Rummynose Tetra

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