Rummy Nose Tetra Care Guide | 7 Useful Expert Tips

The Rummy Nose Tetra fish is a beautiful freshwater species with a nice appearance that is suitable for a variety of aquariums. There are a few considerations that you should be aware of in order to care for them, we think that anyone is able to handle them with the right information.

They’re among our most loved freshwater species, and when you’ve seen them in person, you’ll see the reason. It’s easy to be enticed into watching them move around your aquarium (even if you’ve had it for a few years).

This guide is prepared and written with our vet experts. Here we will show you everything you must learn about Runny Nose Tetra care. Everything from the basics of size, breeding advice, diet, as well as the ideal tank mates are available here!

Rummy Nose Tetra Care, Tank Mates, Size & Species Profile

There are a variety of shoaling fish species that should be chosen for an aquarium. It may be difficult to decide which one to select. Even if you’ve narrowed the selection down to the Tetra family Each member comes with a distinct appearance that can entice you.

Rummy nose tetras exhibit an array of designs and colors across their bodies. The unique mix of styles helps them look unique in your tank as being among the most beautiful fish.

The shoal you keep will enhance the colors and patterns of these when they move in unison. The more you own, the more effective it is.

They’re simple to feed and easy to take care for. You just must monitor the conditions in your tank with a keen eye. You need a little bit of experience to ensure they’re well.

This article will cover everything you must be aware of when it comes to caring for Rummy Nose Tetras, from their ideal tank configurations to the best way to breed them, and so on…

Rummy Nose Tetra Overview

Care Level:Moderate
Color Form:Silver body, red nose, white/black striped caudal fin
Lifespan:6 to 8 years
Size:2 to 2.5 inches
Minimum Tank Size:20 gallons
Tank Set-Up:Planted freshwater aquarium with open swimming space
Compatibility:Peaceful community tanks

The rummy nose tetra an aquatic fish of the Characidae family..

There are three closely related species that are all referred to as rummy nose Tetras:

  • Hemigrammus Rhodostomus (The Real Rummy Nose Tetra)
  • Hemigrammus Bleheri (Also also known as the The Brilliant Rummy Nose Tetra and The Standard Rummy Nose Tetra)
  • Petitella georgiae (The False Rummy Nose Tetra)

The three species are all from South America where they live in the Amazon River (each species occupies an area of its own).

Shoaling fish are a favorite for beginners, however they aren’t the most straightforward fish to look after. They can be extremely sensitive to changes in parameters of the water, and you must be on guard as they do not handle mistakes well..

A group of fish is a good fit in a tank that is a community. Being calm fish they are able to get along with a variety of types, yet they don’t get along with aggressive fish that make them stressed.

Because rummy nose Tetras are extremely widely used, they are available inexpensively in the majority of aquarium stores. Every fish you buy is less than $4 However, it is possible to get them lower by deciding to buy more than one at one time.

They are able to last in the range of 6-8 years if kept in an environment that is healthy.

Typical Behavior

The fish are shoal-like, and they’ll spend the majority of their time together. This results in impressive shows. The colors are impressive and the behavior of the fish is more captivating when they are swimming together.

The bigger the shoal, the more impressive these displays. Be careful not to overfill your tank; rummy nose tetras love having lots of space to swim in.

They usually swim in the middle of the ocean, however they can stray or down to eat.

They could be hidden among the plants in case they’re overwhelmed by bright lights or fish that are pestering them.


Tetras are popular due to their intriguing patterns and colors across their bodies.

The majority of them are silver. Their heads are a dark red that is what gives them their name.

The caudal fin is distinctive like the head. It’s a zebra-like style consisting of white and black horizontal stripes.

Their body has a shape of a torpedo with fins that are short and clear (except that cape fin). When fully grown, they will attain 2.5 inches long.

There are a few distinctions among these three kinds of. One of the most noticeable is that the rummy nose tetra can be smaller than the other two around 2 inches. There are other minor differences that are difficult to identify (even by people who have been looking after them for many years).

The process of sex is just as difficult. There’s no method to determine their gender by looking however, some experts claim that females have slightly bigger bodies.

Habitat and Tank Conditions

The three species are all discovered within the Amazon River in South America. Even though they reside in different parts of the world they all are subject to the same environment.

The riverbed is composed of an extremely soft, sandy bottom. The areas of planted are scattered that act as food sources as well as shelter. Rocks and caves are not uncommon too.

This water is mildly acidic and warm. There’s ample light sources and the flow of the river ensures that the water is flowing.

The real rummy nose tetras are located closer to the Atlantic coast. The standard rummy nose tetra is located further inland and has a smaller area (the middle part of Rio Negro in Brazil). The false rummy nose is also located further inland but it is more widespread (living in Brazil as well as Peru).

Tank Setup

The set-up is easy and easy to manage.

Beginning at the lowest point of the tank you’ll need a smooth, fine-grained substrate. It will be most similar to the natural habitat of these species. You can also use gravel if you want because rummy nose tetras do not stay long in the lower areas within the aquarium.

Choose one or two plants that can grow to the middle levels of water. These are the preferred refuge of tetras. They might prefer to stay away from the other species of fish, or from bright light sources if they’re stressed.

Decorations aren’t that important However, you can include certain decorations if you wish. Be sure to allow plenty of room for swimming.

A heater is required in order to maintain the warm water. The temperature is required to be within the range 75-84degF to be able to match the tropical waters from the Amazon. pH should be kept under control to maintain it between 6.2-7.0. The degree of hardness is recommended to range from 2-10 KH.

There is no need for any air/water pump, as the outlet of the filter keeps the water flowing, but you could add the pumps should you wish to. A standard aquarium light is adequate as they’ll hide in your plants when you require protection from light sources.

External filters are recommended as rummy nose tetras could react to ammonia or nitrates found in the water. External filters are more efficient.

What Size Aquarium Do They Need?

Rummy nose tetras require at minimum at least a 20 gallon tank. Though they’re tiny however, they appreciate having enough space to shoal and swim in.

How Many Can Be Kept Per Gallon?

One fish for every 2 gallons will leave plenty of room to avoid overstocking. If you have a 20 gallon tank, you can hold 10 tetras.

Tank Mates

They’re calm fish, which is great for aquariums that are community-based. They aren’t likely to upset any of their tankmates, however they are easily stressed by louder fish.

Avoid massive fish that have mouths large enough to feed your Rummy Nose Tetras. Beware of species that have an infamous reputation for aggression as well. This is the case for a number of Cichlids however not all (such such as angelfish).

Fish that are larger can become messy , too. This can make it difficult to keep healthy water conditions that are essential for rummy nose tetras.

They can be kept with a variety of smaller fish like Danios, tetras Mollies, Corydoras, catfish, the yo-yo loaches and hatchet fish, harlequin rasbora, cherries, cherry barbs, as well as dwarf gourami.

There are two species of snails as well as shrimp are excellent alternatives to include in your tetras, but be aware of your plants because snails can eat them.

Keeping Them Together

Tetras with rummy noses must be kept together. They have a habit of sharing their space with a lot of their own species Therefore, buying at least six.

If they are left on their own and on their own, they may become stressed and can become easy targets for wild fish.


Rummy nose tetras are omnivores. Therefore, in the wild they would consume small pieces of plant debris, smaller insect larvae, eggs or eggs. In general, anything that could fit in their mouths.

There are many products that can be purchased from the stores that can provide an identical eating routine at home. Foods made of pellets and flakes are among the simplest alternatives; they’re designed to include all the nutrients needed by fish.

Make pellets or flakes the primary food source Then, offer them treats every each week, either once or twice.

Live and frozen food are great ways to get protein and are a great way to provide your tetras with variety. Daphnia and blood worms are excellent options.

Any extra green vegetables could be added to the tank. Ensure that you chop the green vegetables into smaller pieces.

Although these fish are known to be a bit invasive, they’re unlikely to cause any harm as long as you feed them properly.

Try to feed them two times each day. The way you break up your meals is this will give them time to absorb their food. Make sure to give them a portion that they are able to finish within two minutes. Then, take away any leftover food to ensure that it doesn’t degrade within the tank.


If your tank is maintained within the conditions mentioned earlier, your tetras are likely to be healthy.

Even the tank is free of any contamination, there are times when the disease is inevitable, and you could see your fish getting sick. Dropsy and Ich are two pairs of well-known diseases.

A simple way to tell whether something is not right is to check their red noses. They tend to appear more pale in water that isn’t healthy.

Dropsy is a build-up of fluid that causes the body to expand. Fish that have Ich will appear with white spots across their body.

It is essential to know how to wash a tank correctly as poor water quality can cause infection to spread throughout the water. Clean your tank and then check to see if you notice any improvement.

There are some treatments that you can buy at a store in case your fish isn’t showing any indicators of improvement.

A poor diet can be a factor in these health issues. If your tetras do not get all the nutrients they require from their diet, they’ll be more prone to developing diseases. Making changes to their diets is a great method to ensure they’re getting the nutrition they require.

Healthy rummy nose tetras are expected to last for 6-8 years.


The most important issue you’ll confront when breeding your Rummy Nose Tetra is making sure that you have a balanced mixture of males and females. Because they are challenging to get sex with, it will often be a matter of trial and trial and. It is best to confirm their sex through a specialist breeder before you buying the breed.

To facilitate breeding, the conditions inside the tank must be optimal. In the tank, warm it to about 84 deg F. This is when spawning begins. A strong filtering system is essential as these fish are delicate and will not spawn in contaminated water.

The process of breeding is carried out within the plant, so be sure that you have plenty of plants in the tank. The female will swim towards a plant, and then roll over and then wait for the male to fertilize eggs.

She’ll release a couple of large eggs. After that then separate the eggs from the eggs, so that they don’t get eaten.

They will hatch within 24 hours but won’t start swimming until 6 days. They’ll be slightly bigger than flies of the same age as other species. Feed them special fried food until they’re big enough to eat the same food as adults. Once they are identical in size to adults, they are able to be kept together.

Are Rummy Nose Tetras Suitable For Your Aquarium?

They are peaceful fish that work well with other peaceful species and their requirements for setup are like those of many other species of fish.

There are a handful of things to keep in your mind.

Avoid aggressive or large fish. They could be easily stressed and their health may suffer due to stress.

The water must be kept clear as this species is very sensitive to the presence of pollutants that are present in water. They thrive in a tank that is clean and provides a vibrant display of colors as a result.

A group of these fish will add life to your tank. When you’ve watched them for a few minutes you’ll see that you’ve chosen the right fish.

Are Rummy Nose Tetras your top fish? Let us know by leaving a comment in the section below…


Dibyajyoti Bordoloi is the creator and author of, a third-generation experienced fish keeper and owner of a successful pet breeding farm. He is also a member of the Center for Wildlife Rehabilitation And Conservation (Assam), the Marine Aquarium Societies of North East India, and the Kaziranga Nature Conservancy of Assam.