Tetra Scientific Classification
Scientific name
Paracheirodon Axelrodi
Tetra Physical Characteristics
Red, Blue, Black, White, Silver
2-5 years
Tetra Distribition

Tetra is a basic name for exotic freshwater fish of the Characidae family.

They are preferred due to the fact that they are tranquil species that can cope with numerous various other sorts of fish tank attributes. Fish tank fanatics likewise like them due to the fact that they are very easy to keep, specifically the ash tetra. They are available in numerous brilliant shades, like yellow, principal, and brilliant environment-friendlies and blues.

5 Tetra Realities

1. Tetras are amongst the globe’s most preferred tropical fish.
2. Rummy- nose tetras love to shoal.
3. Tetras have a tendency to act livelier when they remain in larger teams.
4. The ash tetra, found in 1987, was called after traveler Heiko Bleher’s mom.
5. Radiance tetras, likewise called GloFish tetras, are genetically changed and can get to 6 inches long.

Tetra Classification and Scientific Name

All tetras are participants of the Chcaraciformes order and the Characidae family. The scientific name of the neon tetra, most likely the very best recognized of these tropical fish, is Paracheirodon innesi. Scientific names of several of the various other tetras are yellow tetra, Hyphessobrycon bifasciatus; rummy- nose tetra, Hemigrammus rhodostomus; principal tetra, Paracheirodon axelrodi; ash tetra, Hyphessobrycon amandae; and radiance tetra, Hemigrammus erythrozonus.

Tetra Species

Greater than 150 species of fish thought about tetras live worldwide. Although there are various species, much less than 20 are typically located in fish tanks worldwide. The majority of pet shops market neon tetras at a small cost as they abound. Various other preferred tetra species amongst enthusiast fishkeepers consist of black, principal, rainbow, blue, fire, rummy- nose, emperor, and bloodfin tetras. One of the most preferred tetras likewise have a small cost in pet shops, making them economical.

Tetra Appearance

Tetras are tiny fish, typically varying in size from one to 4 inches. The one exemption is the genetically crafted radiance tetra, which can mature to 6 inches in dimension. Tetras have a little adipose fin in between their dorsal and back fins, differentiating them from various other fish. You’ll locate a couple of distinctions in between male and female tetras. Males are generally thinner, while females are extra rounded and have a tendency to be bigger. Shades are diverse, varying from silver and yellow to deep black.

Tetra Distribution, Population, and Environment

Tetras are located all over the world, although they are focused in the formerly pointed out locations. They are mostly located in the freshwater rivers and lakes of the Amazon Container. The majority of species typically have secure populaces, although some have actually revealed decreases, while the varieties of the remainder continue to be unidentified.

According to the IUCN Redlist of endangered species, the tetra is thought about least concern

Tetra Predators and Victim

As tetras are tiny fish, various predators quest them. Bigger fish, eels, shellfishes, and some invertebrates all feed upon tetra. As a result of their vivid bodies, predators can conveniently see tetras. When tetras feel they remain in threat, they’ll frequently search for someplace to conceal or swim to darker waters where they will not be as noticeable.

In the wild and the fish tank, tetras eat nearly anything due to the fact that they are omnivores. The diet plans of wild and restricted tetras are similar, with the exemption that restricted tetras eat made food like flakes, pellets, icy salt water shrimp, and so on. In the wild, they have accessibility to a wide range of foods. Amongst the preferred target prevail water fleas called daphnia, mosquito larvae, salt water shrimp, bloodworms, and tiny fish eggs. In fish tanks, tetras eat two times daily, taking in as much food as feasible in regarding 2 mins.

Tetra Reproduction and Life-span

The life-span of tetras is in between 8 to ten years in the wild however significantly much shorter in bondage. As an example, neon tetras just live approximately 5 years. Tetras do not live as long in bondage due to anxiety and dullness. Solitude is likewise an aspect as these fish do ideal when residing in a college of various other tetras.
Although many tetras are very easy to look after, reproducing them in bondage can in some cases be tough due to the fact that it’s difficult to identify males from females. Despite the fact that they do not develop virginal sets, tetras will certainly not always generate with any kind of various other tetra they see and might decline their possible friend. The male attempts to draw in the female by hemming and haw her. If she likes him, she will certainly take him to the generating website. The variety of eggs laid can vary from 50 to 1,000, depending upon the species. Tetras expand gradually. After hatching out, it can take neon tetras 2 months to get to one- quarter inch in size. Nonetheless, emperor tetras expand promptly as juveniles just take 6 months to come to be grownups. Eggs take a minimum of 2 days to hatch out.

Tetras in Angling and Food Preparation

Usually, angling for tetras just strikes bring these fish right into bondage to assist occupy residence fish tanks. Like many various other tropical fish, tetras are edible, however you most likely would not intend to do so. To begin with, their tiny dimension does not generate much healthy protein, however extra notably, you can encounter digestive system troubles when taking in tropical fish not clearly increased for food.

Tetra Population

The precise variety of tetras worldwide is unidentified, mostly due to the fact that much of these fish reside in remote areas and dark waters.


  1. David Burnie, Dorling Kindersley (2011) Animal, The Definitive Visual Guide To The World’s Wildlife
  2. Tom Jackson, Lorenz Books (2007) The World Encyclopedia Of Animals
  3. David Burnie, Kingfisher (2011) The Kingfisher Animal Encyclopedia
  4. Richard Mackay, University of California Press (2009) The Atlas Of Endangered Species
  5. David Burnie, Dorling Kindersley (2008) Illustrated Encyclopedia Of Animals
  6. Dorling Kindersley (2006) Dorling Kindersley Encyclopedia Of Animals

Relate animals

Abyssinian Guinea Pig

They are one of the oldest breeds of guinea pig

Ackie Monitor

The ackie monitor has a spiny tail which it uses as in self-defense.


The Albertonectes had the longest neck out of other Elasmosaurids.

American Bully

Though the American bully was bred to look intimidating, it makes an extremely friendly family pet!

Latest Animal News