Distichodontidae

Banded Distichodus

Distichodus fasciolatus

The scientific name Distichodus fasciolatus, or Banded Distichodus, indicates its belonging to the family Distichodontidae. This fish originates from the African continent, where it can be found in the vast Congo River basin. It prefers the main river channels, as well as floodplains, lakes, and backwaters, usually occupying the bottom layer along the shoreline. The diet of the Distichodus is quite varied, including insect larvae, aquatic plants, as well as seeds and fallen leaves from trees and shrubs.

Tank
from 500 L (132 gal)
Temperature
23 – 27 °C (73 – 81 °F)
Size in aquarium
60 cm (24 in)
Acidity
pH 6–8
Natural rangeRange on the map
  • Congo River Basin
  • Angola
  • Cameroon
  • Central African Republic
  • Democratic Republic of the Congo
  • Republic of the Congo

Tank conditions

Plan the tank stocking
Temperature
23 – 27 °C (73 – 81 °F)
Water pH
Slightly acidic (6) – Slightly alkaline (8)
Water dH
Soft (5) – Very hard (25)
Water salinity
no salt (freshwater)
Size in aquarium
60 cm (24 in)
Lifespan
10 years
Temperament
Semi-peaceful including aggression during spawning / intraspecific conflicts
Toward small fish
not a predator
Required aquarium volume
from 500 L (132 gal)
Lighting
dimmed
Substrate
soft silted
Water flow
weak
Feeding
Mixed diet meat + plant-based
Keeping
Both solitary and in group flexible
  • 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 fish grows to a rather impressive size; adults often reach 60 cm in length, which makes it a valuable food source for local residents. Within a single population, several geographical forms can be observed, differing in their main coloration: from gray-silver to pale gold. However, the characteristic pattern remains unchanged—the fish's body is adorned with vertical dark stripes.

Habitat

The species is widespread in the Congo River basin, inhabiting large rivers, lakes, and their silted channels. The fish prefer to stay in the bottom layers of the water, often found in areas with a muddy bottom. In nature, water parameters vary in the range of pH 6.0–8.0, at a temperature of 23–27°C.

Behavior and Compatibility

The Banded Distichodus differs from most of its relatives by its relatively peaceful disposition. Nevertheless, due to the significant size of this fish, it is recommended to keep only one adult specimen in a single aquarium. Confined spaces can provoke aggression, potentially endangering any smaller fish. This species coexists well only with large fish of comparable size, such as certain catfishes and other inhabitants of African rivers.

Care and Maintenance

For successful long-term keeping, a very spacious aquarium is required, with a volume of at least 500 liters per fish. The filtration system must be high-performance, but it is necessary to avoid creating strong water movement, as the Banded Distichodus does not tolerate strong currents. Dim lighting should be maintained. The aquarium decor can be arbitrary, but it must include shelters created from rock formations and snags. Given its dietary preferences, the choice of aquarium plants requires caution: most species with soft, delicate leaves are likely to be damaged or completely eaten.

Diet

For a daily diet, dry sinking foods enriched with plant components are ideal. Additionally, blanched spinach, lettuce leaves, as well as frozen (to soften) pieces of cucumber, zucchini, carrots, and other vegetables can be offered.

Breeding and Reproduction

Breeding in a home aquarium is not documented. Spawning in the wild is tied to the rainy season and the floods, and there is no parental care. A large adult size and the need for space make breeding attempts rare; no external sexual characters have been described.

Diseases

No diseases that affect only this species have been described. Under suitable conditions — clean water, a balanced diet and calm tank mates — health problems usually do not arise. The most common cause of illness is a decline in conditions: it weakens the immune system, and the fish becomes vulnerable to infections that are always present in an aquarium. At the first signs of trouble — lethargy, wasting, refusal of food or clamped fins — check the basic water parameters and the levels of ammonia, nitrite and nitrate first. Restoring acceptable conditions often lets the fish recover on its own.

How to choose

When selecting specimens, attention should be paid to the integrity of the fins and the absence of visible damage on the body. A healthy fish should be active and have clear eyes without cloudiness. Given the large size of adult Distichodus, it is important to assess whether the aquarium volume in the store meets the fish's needs, as overcrowding often leads to stress and the development of secondary infections.

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 Banded Distichodus get?

An adult reaches 60 cm in length. Plan the tank around the maximum size: the fish quickly outgrows a cramped setup.

What size aquarium does Banded Distichodus need?

The recommended volume is 500 L. A smaller tank speeds up nitrate build-up and raises stress levels.

What water parameters does Banded Distichodus need?

Temperature 23–27 °C, pH 6–8, hardness 5–25 dGH. Stability matters more than exact values: sudden swings are harder on the fish than a small deviation from the ideal.

How long does Banded Distichodus live?

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

Is Banded Distichodus aggressive?

Temperament: semi-peaceful (including aggression during spawning / intraspecific conflicts). Keep this in mind when choosing tank mates.

How many Banded Distichodus should be kept together?

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

What does Banded Distichodus eat?

Diet type: mixed diet (meat + plant-based). Feed small portions that are finished within a couple of minutes — overfeeding does more harm than underfeeding.

What is the scientific name of Banded Distichodus?

The scientific name of the species is Distichodus fasciolatus, family Distichodontidae. It also appears in the literature as: Distichodus fasciatus, Distichodus martini.

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Other scientific names and conservation status

Other scientific names
Distichodus fasciatus, Distichodus martini
Categories
Characins
Conservation status
Least concernLC