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Rummy-nose TetraRednose TetraFamily: Characidae Hemigrammus bleheriPhoto © Animal-World: Courtesy Ken ChildsLatest Reader Comment - See More Love my rummynoses. They defintly like to school and are very shock sensitive. I got so tired of watching the inexperinced petstore clerk abuse them while trying to... (more) pat A beautiful fish, the Rummy-nose Tetra has a dark red nose and a black and white striped tailfin!Rummy-nose Tetra Contents The Rummy-nose Tetra is real striking in a community aquarium, and it makes a great community fish. This is because it is small, peaceful, nicely colored, and not shy. A school of rummy-nose will thrive in a well established, well planted aquarium. It will provide you with lots of activity and noses glowing. The condition of this fish is easily recognized. If your Rummy-nose Tetras are unhappy with their water conditions or they are stressed, they will lose most of their color and hardly look like the same fish! Keep in mind that this is what will happen when you first bring them home too, so you need to give them a couple of days to get back their full color. For more Information on keeping this fish see: |
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Habitat: Distribution / Background
The Rummy-nose Tetra, also known as the Rednose Tetra, was described by Géry and Mahnert in 1986. They are found in South America inin Rio Vaupes, Columbia and the Rio Negro in Brazil.
- Scientific Name: Hemigrammus bleheri
- Social Grouping: Groups - These fish are more comfortable in larger schools of 6 or more fish.
- IUCN Red List: NE - Not Evaluated or not listed
The Rummy-nose Tetra is a full-bodied elongated large tetra species. It has a silvery color that picks up flashy neon highlights. Their most distinguishing characteristics are the bright red nose, thus the name 'rummy-nose', and the striped black and white tail fin.
- Maximum Size: 1.8 inches (4.45 cm)
- Aquarium Hardiness: Moderately Difficult - This fish is robust if kept in very precise conditions. It is highly sensitive to water pollution and by extension is more susceptible to ich. It is unwise to introduce Rummy Nose Tetras into a new system as they will not do well with the unstable water conditions.
- Aquarist Experience Level: Intermediate
Since they are omnivorous the Rummy-nose Tetra will generally eat all kinds of live, fresh, and flake foods. To keep a good balance give them a high quality flake food everyday. Feed brine shrimp (either live or frozen) or blood worms as a treat. They are more difficult to keep than many other tetras, the water conditions should be kept soft and acidic for them to thrive.
- Diet Type: Omnivore
- Flake Food: Yes
- Tablet Pellet: Yes
- Live foods (fishes, shrimps, worms): Some of Diet
- Vegetable Food: Some of Diet
- Meaty Food: Some of Diet
- Feeding Frequency: Several feedings per day
- Water Changes: Bi-weekly
 Photo © Animal-World: Courtesy Tim |
- Minimum Tank Size: 15 gal (57 L) - Fifteen gallons is the least volume of water sufficient for a small school.
- Substrate Type: Any
- Lighting Needs: Moderate - normal lighting
- Temperature: 72.0 - 82.0° F (22.2 - 27.8° C)
- Breeding Temperature: 79° F - 77-82° F for breeding.
- Range ph: 5.5-6.8 - (6.0 - 6.5 for breeding) This blackwater native is very intolerant of harder and more alkaline water. Peat filtration is advisable.
- Hardness Range: 2 - 8 dGH
- Brackish: No
- Water Movement: Moderate
- Water Region: All
The Rummy-nose is a peaceful community species that do better (and look best) in groups of 7-10 fish. They look great in a planted aquarium with some free space for swimming.
- Venomous: No
- Temperament: Peaceful
- Same species - conspecifics: Yes
- Peaceful fish (): Safe
- Semi-Aggressive (): Threat
- Shrimps, Crabs, Snails: Safe - not aggressive
- Plants: Safe
The male is thinner, while the female is more compact with a larger stomach during spawning.
The Rummy-nose tetra are egg layers. They are reportedly more difficult to breed than many other tetras. The water must be kept soft and acidic. They are listed as a "blackwater" fish. Peat filtration is suggested for breeding as well. They will spawn on the bottom of the aquarium or on pinnate leaves of plants. They may eat the eggs, which will hatch after 36 hours. The fry are free swimming after 4 days and are very small. The smallest foods possible like infusoria, is usually required.
See a general description of how to breed these fish in Breeding Freshwater Fish and Fish Food for Fry for more information.
- Ease of Breeding: Moderate
The Rummy-nose tetra is readily available and reasonably priced.
Animal-World References
Freshwater Fish and Plants
Tropical Fish ~ Freshwater Fish ~ Aquatic Plants
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