Rummy Nose Tetra 

Rummy nose tetras are a type of small fish that are commonly found in the aquarium trade. 

They are one of the most popular fish for beginners because they are hardy and relatively easy to care for. 

These species get their name from the characteristic red stripe on their head that resembles a rummy drink. 

In this guide, we will go over everything you need to know in order to successfully care for Rummy Nose Tetras!


Scientific NameHemigrammus Rhodostomus
OriginAmazon Basin
Minimum Tank Size20 gallons
Length2.5 inches
Ease of CareModerate
pHBetween 6.2 and 7.0
Life Span5 to 6 years

Rummy Nose Tetra  Origins

Rummy nose tetras are a popular freshwater fish species native to the Amazon River in South America.

There are three different species of fish thus known as rummy-nose tetras:

a. Hemigrammus rhodostomus (The True Rummy Nose Tetra)

The True Rummy Nose Tetra (Hemigrammus rhodostomus) is a small, peaceful freshwater fish from the Orinoco Basin in South America.

It is a popular aquarium fish due to its attractive coloration and calm personality.

The True Rummy Nose Tetra is a silverfish with a red stripe running along its body from the snout to the base of the tail fin.

The fins are transparent, and the tail fin is forked. Males and females are similar in appearance, although males tend to be slightly smaller than females.

These species can grow to a maximum length of around 2.5cm (1 inch).

b. Hemigrammus bleheri (Known as The Brilliant Rummy Nose Tetra or The Common Rummy Nose Tetra)

The Hemigrammus bleheri, also known as the Brilliant Rummy Nose Tetra or Common Rummy Nose Tetra, is a very popular schooling community fish.

Its red-orange nose and horizontally striped black and white tail make it a very distinctive aquarium fish.

The Hemigrammus bleheri is a peaceful fish that does well in a community aquarium with other peaceful fish. It is an active swimmer and does best in a tank with plenty of open swimming space.

c. Petitella georgiae (The False Rummy Nose Tetra)

This species of fish is also known as the false rummy nose tetra due to its similar appearance to the true rummy nose tetra (Hemigrammus rhodostomus).

They are native to the waters of South America, specifically in Brazil and Guyana.

In the wild, they live in schools among plants at the bottom of rivers and streams.

They have adapted to live in the deep sea by having large eyes that help them see better at night.

They also have light-producing glands called photophores which produce a blue glow in their bodies. They use this glow to communicate with other petitella georgiae.

This fish species has a distinct dorsal fin, which is curved and colored yellow-green.

Rummy Nose Weight & Length

The average size that a rummy nose tetra can grow is 2.5 inches long and 0.1 kg in weight.

Some have been known to grow slightly larger or smaller than this, but this is considered the maximum size for the species.

Rummy Nose Tetra  Lifespan 

The Rummy Nose Tetra is a freshwater fish that can live for 5 to 6 years with perfect health.

While the Rummy Nose Tetra is not a particularly long-lived fish, it can still thrive in captivity with proper care.

With regular maintenance and a little bit of luck, your Rummy Nose Tetra can enjoy a long and healthy life.

Is Rummy Nose Tetra  Hardy?

Yes, rummy nose tetras are generally hardy fish. However, they are sensitive to drastic changes in water conditions.

So, providing a stable environment and proper care will help keep your rummy nose tetras healthy and vibrant.

Rummy Nose Tetra  Availability

Because rummy nose tetras are so popular, they are typically available at a low price in most aquarium shops. Each fish you purchase will cost no more than $4 per fish, but buying a few at a time may save you money.

How to Care for Rummy Nose Tetra?

1. Tank Size

We know that Rummy Nose Tetras are tiny fish, but these fish enjoy plenty of swimming areas as well as the opportunity to gather in groups.

If you keep in mind that you’ll be adding two gallons of water for each rummy nose tetra fish you add to the tank; you’ll find out that with a 20-gallon tank, you can keep about 10 – 12 tetras.

This will help ensure that there’s enough space available for swimming and no overstocking.

2. Temperature

Rummy nose tetras are tropical fish that require warm water to thrive. The ideal water temperature for rummy nose tetras is 75-84°F.

If the water temperature drops below 75°F, the fish may become sluggish and stop eating.

If the water temperature rises above 84°F, the fish may become stressed and more susceptible to disease.

3. PH Level

 Rummy Nose Tetras come from soft, acidic water in South America. In the wild, their waters have a pH between 5.0 and 7.0.

From our experience, we found that the ideal pH for rummy nose tetras is between  6.2 and 7.0.

4. Lighting

When it comes to lighting, standard aquarium lighting is usually sufficient for rummy nose tetras.

The tank lights should be dimmed slightly to replicate their natural environment.

However, they will often take cover in the plants when they need shelter from the lights, so you don’t need to worry about the lighting too much.

5. Filters

Rummy nose tetras are highly sensitive to ammonia and nitrates, so it is important to use an external filter to remove these compounds from the water.

A good filter will also help to keep the water clean and free of debris.

There are a variety of filters on the market that are designed for use with rummy nose tetras, so be sure to choose one that is appropriate for your tank size and water type.

6. Tank Decoration

There are a few things to consider when adding decorations to your Rummy Nose Tetra tank.

First, you want to make sure that there is enough space for the fish to swim and explore.

Secondly, you want to avoid decorations that could potentially harm the fish.

And finally, you want to choose decorations that will complement the natural beauty of the fish.

With those things in mind, here are a few ideas for Rummy Nose Tetra tank decorations:

1. Live plants are always a good choice for any type of fish tank. Not only do they look beautiful, but they also provide a natural source of food and oxygen for the fish.

2. Rocks, driftwood, and other types of hardscapes can also be used to create a natural-looking environment for your Rummy Nose Tetras. Just be sure to avoid any sharp edges that could injure the fish.

3. If you want to add some color to the tank, you can do so with brightly-colored gravel or sand. Just be sure not to use anything that could potentially leach toxins into the water.

4. Finally, you can also use artificial plants and other decorations to add some visual interest to the tank. Just be sure that they are safe for aquarium use and won’t harm the fish.

With these ideas in mind, you should be able to create a beautiful and safe environment for your Rummy Nose Tetras.

Rummy Nose Tetra  Diet

Rummy nose tetras are omnivores, so they’ll consume anything from insects to plant dregs.

Their diet usually comprises tiny pieces of plant waste, invertebrates, or eggs.

Flake and pellet foods are two of the easiest options; they’re designed to include all of the required nutrients.

Use flakes or pellets as the staple of their diet, and then give them additional treats once or twice a week.

This could include live or frozen foods like brine shrimp, daphnia, or bloodworms. You could also give them freeze-dried foods as a treat, which can be found at most pet stores.

As always, be sure to research what kinds of foods are best for rummy nose tetras before feeding them anything new. This will help ensure that they stay healthy and happy in captivity!

Rummy Nose Tetra Compatibility

As a peaceful fish, the Rummy Nose Tetra is a great addition to any community aquarium.

They get along well with most other tank mates and won’t cause any trouble. However, they can become easily stressed by more boisterous fish.

So it’s important to choose their tank mates carefully.

Rummy Nose Tetra  can be kept with the following fish:

  • Danios
  • Tetras
  • Molies
  • Corydoras
  • Catfish
  • Hatchetfish
  • Cherry Barbs

Rummy Nose Tetra  Predators:

  • Angelfish
  • Larger Fish
  • Cichlids

Is Rummy Nose Tetra  Reef Safe?

Generally speaking, rummy nose tetras are not considered reef safe.

These fish are known to nip at soft corals and invertebrates. While they may not cause major damage to your reef, their constant grazing can be a nuisance.

In addition, rummy nose tetras are known to jump out of aquariums, so it’s important to make sure your tank is well-covered.

If you’re set on adding rummy nose tetras to your reef tank, there are a few things you can do to minimize the risk of them causing damage.

First, try to purchase captive-bred fish whenever possible. These fish are less likely to have been exposed to parasites and diseases that could harm your reef.

Second, acclimate your fish slowly to their new environment. This will help reduce stress and make them less likely to nip at your corals.

Finally, provide plenty of hiding places for your rummy nose tetras. This will give them a place to retreat if they feel threatened and may help reduce the amount of damage they cause.

Rummy nose tetras can be a beautiful addition to your reef tank with proper care. But it’s important to do your research before adding them to your aquarium to make sure they will be compatible with your existing setup.

Rummy Nose Tetra  Gender Difference

Male and female Rummy Nose tetras look much the same, except that the male is thinner than the female.

Females are generally more compact in shape and have a larger belly when in breeding conditions.

Rummy Nose Tetra  Breeding

Breeding rummy nose tetras can be difficult since it can be hard to tell males and females apart.

The best way to ensure that you have a good mix of both is to buy them from a specialist breeder who can confirm their sexes.

To encourage breeding, the conditions in the tank need to be just right. The water should be warmed to around 84°F, as this will trigger spawning.

In addition, strong filtration is essential; these fish are sensitive and won’t’ spawn in polluted water.

The breeding procedure takes place around plants, so make sure you’ve provided plenty of plants to the tank.

The female will swim over to a leaf, roll over, and allow the male to fertilize the eggs.

Once the female releases eggs, separate the parents from the eggs since they may consume them.

After 24 hours, the fry will hatch, and they will merely float around rather than swim for the next six days.

Feed them with specialized fry foods until they’re big enough to eat the same diet as adults.

The fry and adults may then be kept together once again when they are nearly the same size.

Rummy nose tetras are a difficult species to breed, so don’t be discouraged if you don’t have success on your first try.

With patience and attention to detail, you can successfully breed rummy nose tetras and enjoy watching them raise their young.

Possible Diseases and Prevention

While they are generally hardy and easy to care for, there are a few diseases that rummy nose tetras are susceptible to.

The most common diseases include dropsy and ich, which can be deadly if left untreated.

Dropsy is a fluid build-up that causes the body to swell.

Fish with dropsy often have red noses and bulging eyes, and scales that stand out from the body. If left untreated, dropsy can be fatal.

Ich is another common disease that rummy nose tetras are susceptible to. Ich is a parasite that causes white spots to form all over the fish’s body.

If your tetras aren’t getting all of the nutrients they require from their food, they will be more vulnerable to illness.

It’s a good idea to vary their diet to ensure that they receive all of their nutrients.

Also, it’s important to maintain a clean and healthy tank. Regular water changes and using a good filter will go a long way in keeping your fish healthy and disease-free.

Last Words

Rummy nose tetras are peaceful fish that make a great addition to any community aquarium.

These little fish are quite easy to care for and are a good choice for beginner aquarists.

These peaceful fish can become great pets once you know how to care for them, so give them a try if you are interested!

We hope you enjoyed this article as much as we did.

If you have any questions please share them with us in the comment section below.