Cyprinids (Cyprinidae)

Long-banded Barb

Enteromius holotaenia

The Long-banded Barb, scientifically known as Enteromius holotaenia, belongs to the carp family (Cyprinidae). This active and peaceful fish is undemanding, making it easy to care for and suitable even for beginner aquarists.

Tank
from 243 L (64 gal), 250 L (66 gal) recommended
Temperature
24 – 30 °C (75 – 86 °F)
Size in aquarium
10 – 12 cm (3.9 – 4.7 in)
Acidity
pH 6–7
Natural rangeRange on the map
  • Central Africa area
  • West Africa area
  • Angola
  • Cameroon
  • Congo
  • Congo Dem Rp
  • Eq Guinea
  • Gabon

Tank conditions

Plan the tank stocking
Temperature
24 – 30 °C (75 – 86 °F)
Water pH
Slightly acidic (6) – Neutral (7)
Water dH
Very soft (2) – Hard (12)
Water salinity
no salt (freshwater)
Size in aquarium
10 – 12 cm (3.9 – 4.7 in)
Lifespan
6 years
Temperament
Peaceful (regular)
Toward small fish
not a predator
Required aquarium volume
from 243 L (64 gal), 250 L (66 gal) recommended
Lighting
any
Substrate
any, but dark
Water flow
weak
Feeding
Any (universal)
Keeping
Group (8–10 individuals)
  • Lifespan. A lifespan to expect under good care, not a measured value: it depends heavily on tank volume, water quality and diet — and for selectively bred forms, on their origin as well.
  • Toward small fish. Based on the Predators category in the catalog or the temperament in the species parameters. “A risk to small fish” means the species is not a predator by habit, yet will swallow any fish that fits in its mouth.
  • Required aquarium volume. The 243 L minimum corresponds to a tank footprint of 120×45 см. The recommended 250 L is for the group size given under keeping mode.

Care and keeping

Description

Adults of this fish typically reach a length of 10 to 12 cm. Their coloration is predominantly silvery, characterized by a broad dark stripe running along the entire body from head to tail. The caudal and dorsal fins often have a reddish tint. Sexual dimorphism is not clearly pronounced, but males are usually slightly smaller than females, which becomes particularly noticeable during spawning when the females' bellies are full of eggs.

Habitat

The natural habitat of this species extends across Central and West Africa, covering the vast Congo River basin. These fish have adapted to diverse biotopes — from swift streams to calm, swampy backwaters. Schools of these barbs are typically found in small tributaries, while they are observed much less frequently in the main river channels.

Behavior and Compatibility

This peaceful, schooling fish coexists well with other species of similar size and temperament. For their well-being and confidence, it is important to maintain a school size of at least 8–10 individuals; in smaller groups, the fish may become timid.

Care and Maintenance

For the comfortable existence of a small school of Long-banded Barbs, an aquarium of at least 250 liters is recommended. The decor can be anything, the main thing is to provide enough open spaces for free swimming. These fish do not require specific conditions, so their keeping is considered relatively simple. Basic aquarium care procedures include weekly partial water changes, regular cleaning of organic waste (food remnants, excrement), as well as constant monitoring of parameters such as pH, GH, and water oxidizability, and preventive equipment maintenance.

Diet

To ensure a complete diet for the fish, it is preferable to use live or frozen foods, such as bloodworms or Artemia. Excessive consumption of exclusively dry foods, such as flakes or granules, can negatively affect digestion. Therefore, dry products should be introduced into the diet as an additional element, enriching it with essential vitamins and trace elements.

Breeding and Reproduction

Unfortunately, at the time of writing this article, there is no confirmed information about successful breeding of the Long-banded Barb in home aquariums. Nevertheless, it is theoretically quite feasible, as their reproduction process is presumably similar to that of other barbs.

Diseases

In a balanced aquarium ecosystem, where environmental parameters meet the needs of the specific species, diseases are extremely rare. Often, the cause of diseases is a deterioration of living conditions, contact with already sick fish, or physical injuries.

How to choose

When choosing a Long-banded Barb, pay attention to the overall activity of the school and the absence of signs of emaciation or body deformities. A healthy individual should have clean, tightly fitting scales, transparent fins without signs of erosion or film, and clear eyes without cloudiness. Avoid purchasing fish with signs of a "bloated" abdomen or, conversely, excessively sunken sides, as this may indicate internal parasites or impaired internal organ function. Before purchasing, it is recommended to observe the fish's behavior for some time: they should be mobile, show curiosity, and actively react to external stimuli. Refuse to buy if there are dead fish or specimens with obvious skin damage in the aquarium with the chosen individuals. It is advisable to ask the seller how long the fish have been imported and ask them to demonstrate feeding: healthy individuals should show interest in food and actively compete for it.

Compatibility

There are no pair reviews for this species yet — check tankmates in the matcher.

All tankmates

Plants and this fish

Matching water does not mean the plant will stay intact.

Frequently asked questions

The essentials: size, tank volume, water parameters and care

How big does Long-banded Barb get?

An adult reaches 10–12 cm in length. Plan the tank around the maximum size: the fish quickly outgrows a cramped setup.

What size aquarium does Long-banded Barb need?

The recommended volume is 250 L. A smaller tank speeds up nitrate build-up and raises stress levels.

What water parameters does Long-banded Barb need?

Temperature 24–30 °C, pH 6–7, hardness 2–12 dGH. Stability matters more than exact values: sudden swings are harder on the fish than a small deviation from the ideal.

How long does Long-banded Barb live?

Around 6 years when kept properly. Lifespan depends directly on tank volume, water quality and a varied diet.

Is Long-banded Barb aggressive?

Temperament: peaceful (regular). Keep this in mind when choosing tank mates.

How many Long-banded Barb should be kept together?

Recommended setup: group (8–10 individuals). Ignoring this is a common cause of stress and disease.

What does Long-banded Barb eat?

Diet type: any (universal). Feed small portions that are finished within a couple of minutes — overfeeding does more harm than underfeeding.

What is the scientific name of Long-banded Barb?

The scientific name of the species is Enteromius holotaenia, family Cyprinids (Cyprinidae). It also appears in the literature as: Barbus camptacanthus, Barbus holotaenia, Puntius holotaenia.

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Other scientific names and conservation status

Other scientific names
Barbus camptacanthus, Barbus holotaenia, Puntius holotaenia
Categories
Cyprinids
Conservation status
Least concernLC