If you’re looking to add a splash of color and vitality to your aquarium, the Rummy Nose Tetra, scientifically known as Hemigrammus bleheri, might be just the fish for you.
These small aquatic wonders are renowned for their striking red noses and beautifully patterned bodies, making them a captivating addition to any tank.
Before you embark on caring for these charming fish, it’s essential to have a comprehensive care guide at your disposal.
Don’t worry, I’ve got you covered!
In this article, I’ll walk you through the fundamentals of Rummy Nose Tetra care, ensuring that you can enjoy their vibrant presence in your aquarium with confidence.
| Common name(s) | Firehead Tetra, Brilliant Rummy Nose Tetra, Rednose Tetra, Blehers Rummy Nose Tetra |
| Binomial name | Hemigrammus bleheri |
| Care Level | Moderate |
| Temperament | Peaceful |
| Size range – lenght | Up to 2 inches |
| Water parameters | Temp 75°F – 82°F (24°C – 28°C) pH 6.0–7.0 Hardness 5 – 12 dGH |
| Tank level | Middle |
| Diet | Omnivore |
| Lifespan | 6-8 years |
| Breeding | Egg layer |
| Tank mates | Neon Tetras and Cardinal Tetras, Rasboras, like Harlequin Rasboras or Chili Rasboras, Peaceful dwarf cichlids, such as Apistogramma species. Non-aggressive bottom dwellers like Corydoras catfish |
Origin
Rummy Nose Tetras originate from the Amazon River Basin in South America (Rio Vaupes and Rio Negro), particularly the blackwater tributaries and slow-moving streams.
These pristine waters are home to various fish species, making it essential to replicate these conditions in your aquarium.
Rummy Nose Tetras thrive in warm, soft, and acidic water with minimal current, which mimics their natural habitat.
Size
In terms of size, Rummy Nose Tetras are relatively small, growing to an average length of around 2 inches (5 centimeters). Their diminutive size makes them an ideal choice for both beginner and experienced aquarists, and they can be comfortably housed in tanks of various sizes.
Availability
Rummy Nose Tetras are commonly available in most pet stores and online retailers specializing in aquarium fish.
Due to their popularity among fish enthusiasts, you can typically find them throughout the year.
However, it’s advisable to check with local stores or breeders for the best stock and healthiest specimens.
The cost of Hemigrammus bleheri can vary widely depending on several factors, including the region, the size of the fish, and the quality of the specimens.
Please note that prices can change over time, so it’s essential to check with local fish stores or online retailers for the most up-to-date pricing.
Additionally, prices can vary significantly between different countries and regions.
On average, individual Hemigrammus bleheri specimens can cost anywhere from $2 to $5 each, with variations based on factors such as size and coloration. Retailers often sell these tetras in packs or groups of several individuals. A pack of five to ten Hemigrammus bleheri might be priced between $10 to $20 or slightly more, again depending on the size and quality of the fish.
Appearance
The most striking feature of Hemigrammus bleheri is its vibrant and eye-catching coloration. The upper part of the body, including the back and dorsal fin, is a shimmering silver color.
The lower part of the body, from the belly to the anal fin, is silvery-white. Perhaps the most distinguishing characteristic is the bright red “nose” or snout. This red coloration extends from the snout to just before the eyes, forming a vivid and distinct red patch.
The red coloration on Hemigrammus bleheri is more extensive as that of Hemigrammus rhodostomus (True Rummy Nose Tetra), and it typically does not reach beyond the gill covers. The Rummy Nose Tetra does not have a black stripe along its spine.
The fins are mostly transparent with subtle hints of red in the dorsal fin.
There are three species commonly referred to as “rummy nose tetras.” These species are indeed similar in appearance, which can sometimes lead to confusion. Here’s a bit more information about each of them.
Hemigrammus bleheri
Hemigrammus bleheri (Brilliant Rummy Nose Tetra or Common Rummy Nose Tetra): Hemigrammus bleheri is known as a rummy nose tetra. The red coloration is particularly vibrant and extends over the forehead and into the eyes, creating a distinctive appearance. These fish are popular in the aquarium trade due to their attractive coloring. The red color on the head of the tetra does not extend beyond the gill covers and has a smaller range.
Hemigrammus rhodostomus
Hemigrammus rhodostomus (True Rummy Nose Tetra): This species is often considered the true rummy nose tetra. The red coloration on the nose and upper body may not be as intense or extensive in some individuals.
Petitella georgiae
Petitella georgiae (False Rummy Nose Tetra): Petitella georgiae, also known as the false rummy nose tetra, closely resembles the true rummy nose tetra (H. rhodostomus). However, there are subtle differences in coloration and markings. The red coloration on the nose and upper body is less vibrant in Petitella georgiae compared to H. rhodostomus. The presence of a middle black stripe that can reach up to half the body length is indeed a characteristic feature of Petitella georgiae. Additionally, the markings on the caudal fin differ between the two species.
Behavior
In their natural habitat, Rummy Nose Tetras are known for their schooling behavior. In aquariums, they exhibit the same tendency and feel most secure when kept in a group of their own kind.
It’s recommended to keep them in groups of at least six or more, as they feel more secure and less stressed.
They are generally compatible with a wide range of tankmates, including other small, peaceful fish species. However, avoid keeping them with aggressive or larger species that may harass or prey on them.
Rummy Nose Tetras are active swimmers and enjoy exploring the aquarium’s water column. They often swim in the middle and upper levels of the tank, occasionally darting around as they display their school’s synchronized movements.
While they are peaceful towards most tankmates, males of Hemigrammus bleheri can sometimes exhibit minor territorial behavior, especially during breeding. This behavior usually involves some posturing and chasing within the school but rarely escalates to serious aggression.
These tetras are omnivorous and have hearty appetites. They readily accept a variety of aquarium foods, including high-quality flakes, pellets, freeze-dried, and live foods. Their feeding behavior is fun to watch, and they can become quite enthusiastic during feeding time.
In a well-maintained and appropriately sized aquarium, these tetras often interact with each other, displaying synchronized swimming patterns and schooling behaviors that add to the aesthetic appeal of the tank.
Care
As mentioned earlier, Hemigrammus bleheri is a schooling fish. Ensure you keep them in groups of at least six or more to promote their sense of security and well-being. They thrive when they can exhibit their natural schooling behavior.
A 20-gallon tank can be a suitable starting point for a small group of Rummy Nose Tetras, especially if it’s well-maintained and adequately decorated with plants and hiding spots. However, a larger tank, such as a 30-gallon or 40-gallon aquarium, would be even better for creating a more spacious and comfortable environment for them.
Keeping these fish in a larger tank not only allows them to swim more freely but also helps maintain stable water conditions, which is crucial for their health and well-being.
Monitor the health of your Brilliant Rummy Nose Tetras regularly. Look for signs of illness such as changes in color, unusual behavior, or loss of appetite. Quarantine new fish before introducing them to the main tank to prevent the spread of diseases.
Spend time observing your Hemigrammus bleheri to become familiar with their behavior and any changes that might indicate stress or illness. Early detection of issues allows for timely intervention.
Tank Requirements
As I mentioned earlier, a minimum tank size of 20 gallons (approximately 75 liters) is recommended for a small group of rummy nose tetra. However, a larger tank, such as a 30-gallon or 40-gallon aquarium, is even better, especially if you plan to keep a larger school of these tetras or include other tankmates.
Maintain a stable water temperature between 75°F to 82°F (24°C to 28°C) to replicate their natural habitat in South America. A reliable aquarium heater will help you maintain this temperature range in your tank. Look for an aquarium heater with a built-in thermostat that allows you to set and maintain a specific temperature. This ensures the water temperature remains stable within the desired range.
Aim for a slightly acidic to neutral pH level in the range of 6.0 to 7.0. These tetras prefer relatively soft to moderately hard water with a general hardness (GH) of 5 to 12 dGH.
Use a quality aquarium filter to ensure efficient mechanical and biological filtration. These tetras appreciate good water circulation and clean water conditions. Regular water changes of 10-15% once a week or even twice a week are also essential for maintaining water quality. It is advisable to filter the water through peat.
A dark-colored substrate, such as fine gravel or sand, can enhance the coloration of Hemigrammus bleheri by providing a contrast to their vibrant red noses. Use driftwood and rock structures to add visual interest to the tank and provide additional hiding places.
Provide plenty of plants to create hiding spots and simulate their natural environment. They appreciate densely planted areas. Remember to leave enough space for swimming.
Standard aquarium lighting is generally suitable for Rummy Nose Tetras. These tetras are not particularly sensitive to lighting conditions, and they will adapt to a wide range of lighting intensities. If you have live plants in your aquarium, choose lighting that matches the needs of your specific plant species. Some plants may require higher light levels, while others can thrive in lower light conditions.
Diseases
Ich (Ichthyophthirius multifiliis) and Dropsy are two common health issues that can affect Rummy Nose Tetras and many other aquarium fish.
Ich
Ich, also known as white spot disease, is one of the most prevalent and easily recognizable aquarium fish diseases. It is caused by a protozoan parasite called Ichthyophthirius multifiliis.
Infected fish typically exhibit tiny white cysts or spots on their skin, fins, and gills. Affected fish may also show signs of irritation, flashing (rubbing against objects), increased mucus production, rapid gill movement, and labored breathing.
Ich is often introduced into the aquarium through contaminated water, equipment, or new fish. Stress, poor water quality, and fluctuations in temperature can trigger outbreaks.
Treatment typically involves raising the water temperature to speed up the life cycle of the parasite and using an anti-parasitic medication.
Dropsy
Dropsy is not a specific disease but rather a set of symptoms that indicate an underlying health issue. It is characterized by the swelling of the fish’s abdomen and scales that appear to “pinecone” or protrude.
Besides abdominal swelling and raised scales, fish with Dropsy may also display loss of appetite, lethargy, rapid breathing, and a pale or discolored appearance.
Dropsy can result from various underlying issues, including bacterial infections, internal parasites or poor water quality.
Identifying and addressing the underlying cause is essential for treating Dropsy. Isolating affected fish and providing a stable and clean environment are important steps. Depending on the cause, treatment may involve antibiotics, anti-parasitic medications, or supportive care.
Tank Mates
When selecting tank mates for Rummy Nose Tetras, it’s essential to choose species that are compatible in terms of water parameters and temperament. Suitable tank mates include:
- Other tetra species, such as Neon Tetras and Cardinal Tetras.
- Rasboras, like Harlequin Rasboras or Chili Rasboras.
- Peaceful dwarf cichlids, such as Apistogramma species.
- Non-aggressive bottom dwellers like Corydoras catfish.
You can keep them with danios, mollies, dwarf gourami, pearl gourami, hatchetfish, cherry barb and yo-yo loach.
Avoid larger or aggressive fish that might stress or harm your Rummy Nose Tetras. Ensuring compatibility with tank mates is key to a harmonious aquarium environment.
Diet
Maintaining a well-balanced diet is crucial for the health and vibrancy of your Rummy Nose Tetras. Offer them:
- High-quality flake or pellet food designed for tropical fish.
- Occasional live or frozen foods like brine shrimp, bloodworms, and daphnia to supplement their diet.
- Feed them small meals multiple times a day to mimic their natural feeding patterns and prevent overeating.
Breeding
Selecting Breeding Pairs
Start by selecting healthy and mature individuals for breeding. Look for specimens with vibrant colors and well-developed bodies.
Maintain a ratio of at least two females to one male to reduce aggressive behavior among males during breeding.
Breeding Tank Setup
Set up a separate breeding tank. The size of the tank can vary but should ideally be around 10 to 20 gallons.
Ensure the tank is well-filtered, with gentle water flow, and maintain stable water parameters similar to their regular tank. The water should be soft (less than 4°dGH) and slightly acidic (pH 6.0-6.5) with a temperature of 77-83°F (25-28°C).
Conditioning and Feeding
Condition the breeding pair with a high-quality diet that includes a variety of live and frozen foods. This will help prepare them for spawning.
Provide a well-balanced diet rich in protein to stimulate breeding behavior.
Creating Spawning Conditions
Increase the water temperature slightly to simulate the onset of the rainy season, which triggers spawning in their natural habitat. A temperature of around 77-83°F (25-28°C) is suitable.
Install soft and fine-leaved plants, such as Java moss or spawning mops, where the tetras can lay their eggs. These plants will also provide hiding places for the eggs and fry.
Use gentle lighting, as Rummy Nose Tetras prefer subdued lighting during breeding
Inducing Spawning
Spawning usually occurs in the early morning hours. The female will scatter adhesive eggs among the fine-leaved plants.
The parents may eat their eggs, so it’s advisable to provide ample plant cover to protect the eggs.
Removing the Adults
After spawning, promptly remove the adult tetras from the breeding tank to prevent them from consuming the eggs or fry.
Alternatively, you can use a breeding trap or mesh divider to separate the eggs from the adults.
Caring for Fry
The eggs will hatch in about 36 hours, depending on water temperature.
Feed the fry with infusoria or commercial liquid fry food initially, and then transition to baby brine shrimp or finely powdered dry foods as they grow.
Maintain excellent water quality with frequent, small water changes to ensure the fry’s health and growth.
In Conclusion
Rummy Nose Tetras are a delightful addition to any freshwater aquarium, known for their eye-catching appearance and social behavior.
By providing them with the right care, suitable tank mates, and a well-maintained environment, you can enjoy their vibrant presence and appreciate the wonders of these fascinating fish.
