Fun Golden Tetra Facts For Kids

Ritwik Bhuyan
Nov 15, 2022 By Ritwik Bhuyan
Originally Published on Aug 05, 2021
Edited by Monisha Kochhar
Fact-checked by Oluwapelumi Iwayemi
Golden Tetra facts they have a golden hue in their silver body due to a substance called guanin secreted from their body.
Age: 3-18
Read time: 7.7 Min

Gold tetras are one of the finest species of tetras in the world. Remember to not mistake it for the golden pristella tetra or the golden neon tetra which has a striking resemblance to the gold tetra.

The gold tetra (Hemigrammus rodwayi) is a freshwater fish species with its natural habitat in South America. The name golden is derived from the powder-like shade on their body, believed to have been created by internal parasites.

Thesegold tetra fish have a certain temperament - peaceful, and loving, schooling community fish. The fish is a pretty little characin.

They are lovely to look at but are mostly not gold but rather silver in color. Even the gold tetra with the silverish-gray coloration is beautiful, with a glow of green or blue.

They usually move in a group of five which looks beautiful in an aquarium or even in their natural habitat. It looks absolutely gorgeous in an aquarium and is even low maintenance due to the requirement of just freshwater.

Thegold tetra is one of a kind and is a toothed fish.

They got the name tetra from their unique teeth. They can live a long life with proper care and cleanliness.

The temperature of the water is also important to look after. Keeping the fish healthy and vibrant is very important and would elevate the beauty of your aquarium.

The gold tetras' gold appearance is due to a specialized layer on its skin that defends it against a trematode parasite. The gold tetra fish is prone to diseases and are more susceptible to getting infected by parasites than other tetras.

The gold color in the body comes from 'guanine' which is secreted from the body of the gold tetra fish to protect it from these parasites. Hence, the name.

This captive-bred fish is one of the hardiest fish and is more difficult to keep than other tetras. But they are rare to find, and if it's possible to be bred, it makes a nice addition to the aquarium tank.

 There are many different species of fish living in the Atlantic ocean, a few of which are the fluke fish and the drum fish. Read some interesting facts about these fishes once you're done with this article.

Golden Tetra Interesting Facts

What type of animal is a golden tetra?

The gold tetras are a type of fish found mostly in the South American continent.

What class of animal does a golden tetra belong to?

The gold tetra, (Hemigrammus rodwayi) , falls under the class of Actinopterygii in the family of Characidae.

How many golden tetras are there in the world?

The total population of the gold tetras is unknown at the moment. But, the gold tetra fish is found abundant everywhere.

Where does a golden tetra live?

The gold tetras are usually found in the South American continent, with countries including Brazil, French Guiana, Guyana, Peru, and Suriname. It is also extensively found in the Amazon river basin.

What is a golden tetra's habitat?

Gold tetras prefer living in the flood plains as well as coastal reeks where the water can be a little saline, living free in their natural habitat. The gold tetra has also been bred successfully in a breeding tank but sometimes loses its gold color. The gold teras like living in groups.

In captivity, the gold tetras always do better when their natural habitat is recreated inside the aquarium tank. They enjoy free, slow-moving, blacking water to swim. The gold tetra likes sand as a substrate in the tank.

Driftwood and dried leaves should be added to the aquarium tank. Filters in the tank need to not create strong currents as the gold tetra fish likes slow-moving water.

These fishes are light-sensitive. A dimly lit environment should be produced in the tank to counter the light-sensitive nature of the gold tetra. Plants also can filter this light from entering the tank and also elevates the beauty of the aquarium.

Who does golden tetra live with?

The Gold tetras like to live in a group of five or more at a time. In a 20 gal (75.7 L) tank, not more than six should be kept at a time.

They also do quite well with other peaceful fishing a community aquariums. The gold tetra should not be paired with high-energy fish and larger fish that might stress them out.

How long does a golden tetra live?

The Gold tetra does not live a long life. Their average lifespan is around three to five years. Their lifespan also reduces a bit in captivity. The average lifespan of the fish in the wild is about five years.

How do they reproduce?

The golden tetra females laid eggs are successfully bred in captivity, but are seen to lose their golden coloration. The best way to breed the fishes is to place them in a group of six males and six females in an aquarium tank.

Live food should be provided in the water and the breeding should begin automatically. The females lay eggs on plants or green floss. Natural breeding in laying the eggs by the female takes place if all conditions are met in the aquarium tank.

To get the best number of fry (young), another breeding tank, smaller in size should be used. Plants and green floss should be kept abundantly in the water tank so that females can lay their eggs without any hassle.

Eggs can also be laid in a layer of mesh. The water needs to be kept at a proper hardness level and the water conditions need to be soft and acidic and should be kept at a temperature of 79-84 degrees Fahrenheit.

The water conditions should also be clean and filtered proficiently. Once the spawn is found, the males and females should be removed from the aquarium.

Eggs hatch in 24-36 hours and the young fry swims properly in three to five days. A couple of days should be taken to feed the fry infusoria kind of food until they can feed on brine shrimp and micro worms themselves.

The gold tetra fry should be kept in an environment that is dark, peaceful, and free from dirt. The filter should be used properly and the water needs the use of afilter regularly.

All conditions need to be met, including the temperature and hardness of the water. Breeding is quite sensitive in this fish.

What is their conservation status?

There are plenty of gold tetras in the world. This species is however, Not Listed on the IUCN Red List

Golden Tetra Fun Facts

What does Golden Tetra look like?

*Please note, that this is an image of a diamond tetra. If you have an image of a gold tetra, do get in touch!

This peaceful fish is a full-bodied tetra fish. The fish has a silver body with gold dust sprinkled on its body.

The gold color in the fish comes from a protective secretion guanine from the skin which protects the gold tetras from skin parasites. The tail fin is colored red at the top and the bottom has a black spot in the middle.

The anal fin is golden, along with the dorsal fin, and tipped with white. They also have a soft ray dorsal fin which is red in color.

Aquarium captive-bred and wild-caught golden tetra are found to be different in color. Wild fishes have golden sprinkled on its body to protect themselves from parasites. In aquarium water, the parasites might not be present, and hence the golden color never shows, making the fish look silver.

How cute are they?

These are beautiful species of fish and look exquisite in tanks.

How do they communicate?

They communicate with each other by a range of low-frequency sounds and also by moving their tails.

How big is a golden tetra?

On average, the gold tetras grows up to 1.6 in (3.9 cm) in length.

How fast can a golden tetra swim?

They are pretty average swimmers and swim leisurely.

How much does a Golden Tetra weigh?

The weight of the golden tetras ranges from 0.17-0.19 g.

What are their male and female names of the species?

Males and females are not given different names in the species. They are known commonly by their name, gold tetra, or by their scientific name, Hemigrammus rodwayi.

What would you call a baby golden tetra?

The young of this fish species are called fry.

What do they eat?

The species mostly diet on live, fresh, and flake foods. Brine shrimp and blood worms are natural food for them. Overeating can harm the gold tetra, so feeding quantity should be kept in mind. They should be provided with flake foods and frozen foods several times a day.

Are they poisonous?

These fishes are not poisonous.

Would they make a good pet?

Gold tetra makes for a great addition to the aquarium for its beautiful golden body and cool temperament. They are hardy but manageable. The main drawback is the need for an extra breeding tank, which can cost more.

Did You Know...

Gold tetras are not aggressive in nature and are moderate to care for. They need efficient care all the time.

Tetras are known to live with each other in harmony.

Humans usually do not eat tetras.

Tetras are not at all dangerous and are peaceful in their demeanor.

How long does a golden tetra stay pregnant?

It does not take much time for tetra fish to lay their eggs. They normally stay pregnant for about 14 days until they lay the eggs. The adults are removed and it takes 24-36 hours until the eggs are hatched and the fry are born.

Do they bite?

Tetras are shy and peaceful fish. They rarely show any aggression. So, no, they do not bite.

Here at Kidadl, we have carefully created lots of interesting family-friendly animal facts for everyone to discover! Learn more about some other fish including tang fish and codfish.

You can even occupy yourself at home by drawing one on our tang fish coloring pages.

Golden Tetra Facts

What Did They Prey On?

Animal and plant origin food, blood worm, brine shrimp

What Type of Animal were they?

Plants and Meat

Average Litter Size?


How Much Did They Weigh?

0.17-0.19 g

What habitat Do they Live In?

coastal floodplains, black water

Where Do They Live?

brazil, french guiana, guyana, peru, and suriname

How Long Were They?

1.6 in (3.9 cm)

How Tall Were They?








Scientific Name

Hemigrammus rodwayi

What Do They Look Like?

Silver body with a golden hue

Skin Type


What Are Their Main Threats?

copper in the aquarium, bigger fish in the wild

What is their Conservation Status?

Not Listed
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Written by Ritwik Bhuyan

Bachelor of Arts specializing in English

Ritwik Bhuyan picture

Ritwik BhuyanBachelor of Arts specializing in English

A skilled content writer, Ritwik holds a Bachelor's degree in English from Delhi University. He has refined his writing abilities through his past experience at PenVelope and his current role at Kidadl. In addition to his proficiency in writing, Ritwik has pursued his passion for flying by achieving CPL training and becoming a licensed commercial pilot. This diverse skill set highlights his commitment to exploring multiple fields. Ritwik's experience in the aviation industry has provided him with a unique perspective and attention to detail, which he brings to his writing.

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Fact-checked by Oluwapelumi Iwayemi

Bachelor of Science specializing in Systems Engineering

Oluwapelumi Iwayemi picture

Oluwapelumi IwayemiBachelor of Science specializing in Systems Engineering

Iwayemi is a creative content writer and editor studying for a Bachelor of Science specializing in Systems Engineering from the University of Lagos. He is skilled in research and has experience writing and editing content for different organizations.

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