Cyprinids (Cyprinidae)

Hoven's Carp

Leptobarbus hoevenii

The fish known as Hoven's Carp (Leptobarbus hoevenii) belongs to the family Cyprinidae. It is named after the zoologist Jan van der Hoeven (1801–1868). Due to its impressive size, this species is rarely found in amateur aquariums. In its natural habitat, it is a popular target for sport fishing.

Tank
from 1000 L (264 gal)
Temperature
20 – 26 °C (68 – 79 °F)
Size in aquarium
80 – 100 cm (31 – 39 in)
Acidity
pH 6–8

Dangerous to small fish

Natural rangeRange on the map
  • Malay Peninsula area
  • Sumatra area
  • Cambodia
  • Indonesia
  • Laos
  • Malaysia
  • Thailand
  • Vietnam

Tank conditions

Plan the tank stocking
Temperature
20 – 26 °C (68 – 79 °F)
Water pH
Slightly acidic (6) – Slightly alkaline (8)
Water dH
Very soft (2) – Hard (15)
Water salinity
no salt (freshwater)
Size in aquarium
80 – 100 cm (31 – 39 in)
Lifespan
10 years
Temperament
Semi-peaceful dangerous to smaller ones
Toward small fish
a risk to small fish
Required aquarium volume
from 1000 L (264 gal)
Lighting
moderate (regular)
Substrate
any (no restrictions)
Water flow
moderate
Feeding
Any (universal)
Keeping
Both solitary and in group flexible
Jumping
noticeable a lid is needed
  • 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. This is a husbandry recommendation, not a measured value: the volume depends on the keeping mode (both solitary and in group (flexible)), footprint, decor and tank mates.

Care and keeping

Description

This is a large fish, capable of reaching a meter in length. Adults are uniformly colored in shades of steel or bronze, while juveniles have a silvery coloration. Sexual dimorphism in these fish is weakly expressed, and males and females are outwardly difficult to distinguish. It is important to note that there is some confusion with a related species – the Red-tailed Leptobarbus – due to their external similarity. Often, both of these species are sold under the same name.

Habitat

The natural habitat of this species covers Southeast Asia, including peninsular Malaysia and large Sunda Islands such as Sumatra, Kalimantan, and Java. These fish prefer the main channels of large rivers in the region. During the rainy season, they move into flooded areas of the tropical forest, where spawning occurs.

Behavior and Compatibility

These fish are distinguished by their peaceful and calm disposition, which allows them to be kept with other species large enough not to become food for them. They can live both alone and in groups.

Care and Maintenance

Due to the significant size of Hoven's Barb, it is necessary to provide an appropriately sized aquarium. For the comfortable keeping of a single specimen, a tank with a volume of 1000 liters or more is desirable. The aquarium's decor can be arbitrary and is chosen at the owner's discretion. It is critically important to maintain high water quality. These fish are very sensitive to the accumulation of organic waste, such as food remnants and excrement. Therefore, regular, weekly partial water changes and a powerful filtration system are necessary conditions for their long-term and successful keeping. It should be noted that these fish are prone to jumping out of the water. Thus, the aquarium must be equipped with a lid and a splash-proof lighting system.

Diet

Representatives of this species are omnivores. In nature, their diet includes almost any food they can swallow, such as tree fruits, various insects, worms, and even small fish. In aquarium conditions, they readily adapt to most popular dry foods, which can become the main part of their diet.

Breeding and Reproduction

Breeding in a home aquarium is not possible. However, on a commercial basis, the reproduction of these fish is organized in special nurseries on the island of Sumatra, where the spawning process is stimulated with hormonal preparations.

Diseases

This fish is hardy, and instances of disease are rare. The main causes of ailments are usually an unsuitable habitat or poor quality food. When kept in spacious aquariums and regularly fed fresh products, health problems generally do not arise.

How to choose

When purchasing, one should choose active, mobile specimens with clean scales and no visible damage or signs of infection on their fins. It is important to note that in the aquarium trade, a closely related species, Leptobarbus rubripinna, which is externally very similar but has differences in stripe coloration, is often sold under the name Hoven's Carp. It is recommended to acquire juveniles, as adult specimens are extremely demanding regarding water volume and difficult to transport. Avoid fish showing signs of lethargy, damaged gill covers, or unnatural behavior, as this species is sensitive to water quality and stress during relocation.

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 Hoven's Carp get?

An adult reaches 80–100 cm in length. Plan the tank around the maximum size: the fish quickly outgrows a cramped setup.

What size aquarium does Hoven's Carp need?

The recommended volume is 1000 L. A smaller tank speeds up nitrate build-up and raises stress levels.

What water parameters does Hoven's Carp need?

Temperature 20–26 °C, pH 6–8, hardness 2–15 dGH. Stability matters more than exact values: sudden swings are harder on the fish than a small deviation from the ideal.

How long does Hoven's Carp live?

Around 10 years when kept properly. Lifespan depends directly on tank volume, water quality and a varied diet.

Is Hoven's Carp aggressive?

Temperament: semi-peaceful (dangerous to smaller ones). Not a predatory species, but small fish that fit in its mouth will eventually be eaten.

How many Hoven's Carp should be kept together?

Recommended setup: both solitary and in group (flexible). Ignoring this is a common cause of stress and disease.

What does Hoven's Carp 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 Hoven's Carp?

The scientific name of the species is Leptobarbus hoevenii, family Cyprinids (Cyprinidae). It also appears in the literature as: Barbus hoevenii, Leptobarbus hoenenii.

Similar fishes

Matched by family, categories and overlapping keeping conditions

Sultan Fish

Sultan Fish

Leptobarbus rubripinna

Cyprinids (Cyprinidae)

The Sultan Fish, scientifically named Leptobarbus rubripinna, belongs to the family Cyprinidae. It is a hardy and undemanding species with a peaceful temperament toward other tank inhabitants. However, the large size of…

Hypsibarbus

Hypsibarbus

Hypsibarbus wetmorei

Cyprinids (Cyprinidae)

Hypsibarbus, or Lemonfin Barb (scientific name Hypsibarbus wetmorei), belongs to the Cyprinidae family. This active and large fish lives in schools. Although it is undemanding and quite easy to keep, the necessity of…

Silver Barb

Silver Barb

Barbonymus gonionotus

Cyprinids (Cyprinidae)

The Silver Barb, scientifically known as Barbonymus gonionotus, belongs to the Cyprinidae family. This fish is most commonly found in commercial fisheries and is not a typical inhabitant of home aquariums. Its…

Tinfoil Barb

Tinfoil Barb

Barbonymus schwanefeldii

Cyprinids (Cyprinidae)

Barbonymus schwanefeldii, known as the Tinfoil Barb and belonging to the Cyprinidae family, attracts attention with its impressive size and characteristic silvery coloration. These fish, which have a schooling nature,…

Other scientific names and conservation status

Other scientific names
Barbus hoevenii, Leptobarbus hoenenii
Categories
Cyprinids, Giants
Conservation status
Least concernLC