Barbus Tetrazona - The Tiger barb

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Barbus tetrazona is one of the most common barbus fish in aquariums. It comes from Sumatra and Borneo, that’s why you can find it also under the name of “Sumatra Barb”. Another common name of this fish is a “Tiger barb” due it’s colour pattern, golden body with four vertical stripes, the first on the eye and the last at the begin of tail.

There are few differences between males and females, usually you are able to recognise them when they’re adults, and their size is near 2 inches. Male is slimmer than the female and has red fins, edges and mouth. Females are bigger and don’t have any red part.

Like other barbus, tiger barb lives in shoals. The best number of fish in shoals is five or six. More fish could end up creating two shoals fighting towards each other; while a smaller number is dangerous because they could be aggressive towards weaker fish and not create a shoal.

After captive breeding you can find various colour mutations.

- Green tiger barb has only a vertical black stripe on the eye, while the rest of the body has a dark green cover ending before the tail.
- Red tiger barb has a total red body.
- Coral red tiger barb is similar to the normal one, but the golden background colour tends to red.
- Golden tiger barb has a light yellow body colour with two white vertical stripes.
- Blushing golden tiger barb has a transparent golden body with red head.
- Albino tiger barb is mostly white.

Even if they belong to the same species, most of times barbus tetrazona of different colour don’t join the same shoal. So always choose fish of the same colour to create a group.

Aquarium

The Tiger barb’s behaviour is a bit nervous and aggressive within the shoal and also towards other fish, so it is better to house them in community tanks only if you have a bit of experience. They often fight to determinate the stronger one, and sometimes weaker and sick fish can be isolated. If you want a dedicated aquarium you can take at least an 18 gallons tank for 6 fish. In nature, they live both in lakes and rivers with clean water, so use a good filtration system. Since they usually swim a lot it is important to leave the central part of the aquarium almost free from plants and decorations. Barbus do not damage plants, and use to sleep among them; so put tall plants to the sides and on the background of the tank.

They don’t request specific water, anyway a light acid PH and a temperature range between 72°F and 82°F (22°C – 28°C) are preferred. Barbus usually don’t suffer low temperature and some people leave them in an unheated tank, anyway this is a good solution only if your house is warm and temperature doesn’t go under 68°F (20°C).

As for the ground, gravel is the best material, dark or light colour depends on your barbus colour: dark gravel for light barbus and vice versa, just remember light gravel usually needs more cleaning.

Provide a good illumination for 10 to 12 hour a day, and don’t disturb them when light is switched off. Barbus tetrazona is one of few fish you are able to see when they are sleeping. They choose a part of the tank and hide and lean on plants leaves; their colours become lighter (it is easier to notice this change for a dark coloured barbus like green ones) and usually have a 45° position with head down and tail up.

In case you want to house barbus in a community tank be sure to have some experience with other fish. You have to control some parameters before housing a tiger barb shoal.

Here below, there is a list of fish and other things to avoid for a safe aquarium:
- small fish like rasbora, weaker one could end eaten.
- to leave barbus with other fish fry like young poecilia, because they will be eaten in a short time.
- long finned fish like male betta splendens and male poecilia reticulata (guppy), because barbus use to bite long fins of other fish.
- caridina japonica and other small crayfish that could be eaten during their shedding.
- sick or old fish with swimming problems, could be bitten or eaten.

The best solution for barbus is a dedicated aquarium, in case you really want to add them in a community tank, prefer big fish like: big anabantidae (i.e. trichogaster), or other species like Epalzeorhynchus bicolor, Badis badis, and Balantiocheilus melanopterus; obviously these big fish request also big aquariums.

Tiger barbs do not request particular foods, and also flakes food is fine. Remember to feed barbus when the light is switched on, they usually do not eat in the darkness. Leave food in different places so every fish will be able to eat undisturbed.

Breeding

Breeding barbus isn’t really hard, but needs some time and work. Firstly, be sure to have a good number of males and females. Once they reach the adult size you will be able to notice some fish divided to pairs. Take the pair and put it in a separated tank without any gravel, with water heater to have a temperature around 77°F (25°C) and a small filter. Feed them with live or frozen food, like brine shrimp, for a week. then you should be able to see female belly more rounded. Barbus spare eggs directly on the ground so be ready to take the parents off, before they start eating the eggs and fry. Fry can be fed with small live food like infusoria, and then brine shrimp.

The bigger problem with barbus breeding is to understand the right moment. Often they breed in the tank where there are other fish, this mean all the eggs and fry end eaten.

Moreover, it is difficult to determinate the sex between the red coloured barbus, and obviously different coloured barbus will not breed, because they find their partner among the shoal.

Copyright note: This article is originally written by Michela Ferretti. Aqua-fish.net owns the full copyright of this article.
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Barbus Tetrazona - The Tiger barb

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