Emperor tetra Care guide – Size, Life Span, Tank Mates, Breeding

Emperor tetra

Extensive information related to the emperor tetra

The emperor tetra fish is a species that lives in the Pacific and feels uncomfortable in the presence of other species that are very active. It has a beautiful livery that likes to be able to swim both in the middle and lower part of the tank. It has a tall body and lacks the famous adipose fin. It has an olive-brown back and a greenish or bluish colour on its sides; at the bottom, it has another blackish stripe and is much wider.

Scientific NameNematobrycon Palmeri
Other NamesRainbow Emperor Tetra, Blue Emperor Tetra, Red Emperor Tetra, Black Emperor Tetra
OriginsSouth America
Aquarium LevelBottom – Middle
Best kept asGroups 5+
Lifespan3-6 years
Maximum Sizeup to 4.5 cm

General habitat

To be able to opt for emperor tetra fish, it is important that there is a minimum quantity of 60 litres within a group of no more than six specimens. This type of fish does not need special lighting compared to other species, because when they eat, they prefer to do it in a dark place. When living in streams with shallow depth, you must have a filter with little strength so that they do not suffer from stress when living in captivity.

There must be enough vegetation so that they can have comfort, with a temperature not higher than 28ºC and a pH between 6 to 7. Although it is not a delicate fish, it is important that at the time of purchase it can be given an adaptation period and thus be able to reach an average of 6 years of life, yes, with the necessary care that omnivorous fish need.

Generalities of the emperor tetra

It should be borne in mind that the emperor tetra fish are characterized by being peaceful and with a very quiet life by having a comfortable environment. Although it prefers the security that being in a group offers, it is a species that stays in pairs. It is not advisable that it can be associated with much faster spices, because it will end up scaring you. This is because the alpha male likes to take possession of the zone where he swims; This dispute between males does not end beyond an exhibition and display of fins between them.

Aquariums for emperor tetra fish

In order to take care of emperor tetra fish, it is important that you have an aquarium that has a quantity of 60 litres and that groups larger than specimens cannot be—is ideal to have dark areas so they can eat and sleep, as well as clear areas so they can swim comfortably.

Fish tanks for emperor tetra fish

Fish tanks suitable for emperor tetra fish should not have excessive light as they do not tolerate too much lighting. It is important that a series of natural plants be included so that they can feed and swim freely.

The preferred substrate should be sand, and it is also recommended that they be kept in Amazon biotope aquariums, all depending on their preferences. On the other hand, you must have very well purified water, but with the observation that it does not move too much since it can alter the stress of the specimens, because they live in slow waters.

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Aquarium elements

Filter: an important element inside the emperor tetra fish’s fish tank, which is responsible for removing all kinds of algae or dead particles inside the fish tank. Ideal for good health in the specimens that are available.

Temperature: it is important so that a warm temperature can be regulated in the water because these fish need 24 to 28ºC to be able to live properly.

Oxygen: essential so that they can have adequate oxygenation in the water. Likewise, it can provide that the fish have greater comfort within their habitat in captivity.

Lighting: allows the aquarium to have an option so that they can have daylight and another to turn off. In this way, it is possible to provide adequate growth for both the plants that are inside and the fish that live there.

Plants: they are mostly living beings that are submerged in water, adapting to the environments of fish and a food with the properties of a good diet.

Types of emperor tetra fish

Emperor tetra fish are considered the Kings of the Characins because they have a number of special characteristics as is a very bright and shiny body, with colours that are degrading. Their specimens do not represent very marked differences between their species.

Types of emperor tetra fish

– Black emperor tetra fish.

Emperor Kerri tetra fish.

– Emperor Palmeri tetra fish.

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Caring for your species

Black emperor tetra fish: a fish that has to be kept in an aquarium with a large space and free of objects so that it has the comfort of swimming. It is important that you have a quantity of 60 litres of water inside the tank. Counting on natural plants that can be located on the sides and thus leave a clear central area. The substrate has to be dark in tone and with low lighting. In addition, it is an omnivorous species that can be given a balanced and complete diet.

Kerri emperor tetra fish: known as false emperor tetra fish, with differences in colouration and a central appendix in the tail fin compared to the emperor tetra. It must live in a temperature between 24ºC to 28ºC, counting on neutral and soft water. It should also be free of nitrogen-bearing compounds and with very little lighting so you can be safe. Their diet should be based on omnivores, although they should preferably be given small crustaceans, larvae and insects.

Emperor Palmeri tetra fish: the aquarium where it will live must have a space that facilitates freedom to swim and live in a community aquarium. The water must have an average temperature of 25ºC and a density of 7º GH with an acidic lightness. A species that lives in soft waters and has a pH no higher than 8. Its diet should be based on tubifex, daphnia, cyclopes, mosquito larvae, fish and dry food. A specimen that lives deep in the aquarium, being very peaceful and gregarious, which likes good lighting.

Emperor tetra fish hatchlings

Obtaining offspring is not always done because it is difficult to achieve, but it is not impossible. To reproduce the emperor tetra fish, it is important to have an additional aquarium that has a special number of adult specimens, providing a series of care, such as the amount of light, the change in temperature, among others.

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Reproduction of the emperor tetra

Emperor tetra fish need a place that has soft water between 1 to 10 dGh, and the pH must be between 6 to 7 and the temperature must range between 26 s 27ºC. It is important that a special place be provided to have a successful reproduction of fingerlings. The lighting should be reduced or if you want to remove it completely.

It is important that a series of plants that have thin leaves are placed on them, this helps so that when the female expels her eggs, they can stick to her leaves. Ideally, a mesh should be placed in the lower part of the aquarium, so that the fry can hide from the parents and thus cannot devour them. One option is to reproduce the fish in groups, but it can also be done in pairs.

You should choose the male that has a greater colour and is more colourful; the female should have a stomach full of eggs and very healthy. Place them in the special fish tank for their reproduction, with a total of 20 to 40 litres of water. During the night, the female will spawn, and the male will fertilize the eggs, a process that lasts a few hours. After spawning has taken place, the parents should be removed.

Tips for breeding

The young of the emperor tetra fish will hatch in an average of 1 to 2 days, and after a week the yolk sac will end, and they must be given liquids and special food so that they can survive. With the passage of time, they can be moved to the main fish tank and be able to feed them along with the other specimens.

Emperor tetra fish diet

Emperor tetra fish are known to be of the omnivore species. Being in a natural and wild habitat, its main food is small invertebrates and like fingerlings that are of other species. Therefore, it is important that they can be provided with a varied and balanced diet so that they can have the necessary nutrients. In addition, opt for meals that are prepared at home and improve their life span in the aquarium, needing time to achieve it.

What does emperor tetra fish eat?

– Dried red meat.

– Fish in small pieces.

– Vegetable porridge.

– Frozen animals.

– Flake food

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How to feed them?

In order to feed the emperor tetra fish, two schedules must be set during the day of food. Bearing in mind that by having other species in the aquarium, they can feed and do not suffer from malnutrition. At the time of offering the food, it is important to keep in mind that the quantity given should be measured in relation to its size and the copies that are kept. They like to take the food that they have been given, and they quickly go to the darkest places in the fish tank to eat in a calm way.

If you want to keep the emperor tetra fish for a long time, it is necessary to dedicate time to the food that is provided; this is because it must have the essential nutrients. So you can give it a homemade porridge with the inclusion of cooked vegetables. Or you can choose to cut live foods and freeze them for a quick option in the refrigerator.

It is also important that the fish tank be cleaned on a regular basis because the remains of food that remain at the bottom of the tank can cause a series of health damages to the fish that live together. This aspect is important even if you have cleaner fish because you must take care of everyone’s health and preserve them better.

Caring for emperor tetra fish

The emperor tetra fish is a species that does not need special care for its maintenance in captivity, but it is important that it can be given an adaptation period inside the tank—bearing in mind basic aspects that must be taken care of so that it can reach an age of 6 years or more, this by being able to live comfortably and feel as if it were in its habitat.

Basic care

Aquarium: the aquarium must have an approximate length of 80 centimetres, with a quantity of 60 litres and the groups must not exceed six specimens.

Water conditions: the water where it lives must have a pH between 6 and 7 degrees; it has to be soft with an average of 15º dGh.

Temperature: it is important that the emperor tetra fish live in waters that have a temperature of 24 to 28ºC.

Food: being an omnivorous species, it can accept all kinds of food, such as live, frozen or dry food.

Reproduction: if you want them to be able to reproduce, it is important that they are provided with the right conditions so that they feel like in their natural habitat.

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How to care for emperor tetra fish

If you want to have specimens of emperor tetra fish, it is important to keep in mind that their habitat must be in an aquarium that has a large number of plantations, as well as free spaces so that you have the disposition to swim when you want. It is also important that the lighting be increased and that a substrate can be placed in a dark colour so that the colouration it has is enhanced. It is advisable that it can be filtered with peat for better care.

If it is kept in optimal conditions, giving it the food it wants and protection from waste algae, this fish can reach an approximate of 4.5 to 5 cm in relation to the males and for its part the females a total of 4 cm. A type of fish that dispute for the hierarchy and for the territory, so they run to the other smaller species.

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