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Fiveband barb

Fiveband barb

Desmopuntius pentazona

Cyprinidae
Easy

Parameter dashboard

Temperature

21-26 °C

pH

4-7

Size

5.5 cm

Min tank72 L
Price$$$
DietOmnivore
TemperamentPeaceful
Social behaviourSchooling
Recommended group8 fish
OriginAsia
Shrimp-safeNo

Care guide

The fiveband barb is a small, peaceful cyprinid from the blackwater peat swamps and forest streams of northwestern Borneo, with additional records from Sumatra and possibly Peninsular Malaysia. It is named for the five bold black vertical bars that adorn its golden-orange body — a pattern that closely resembles the tiger barb but with an additional fifth bar. Adults reach a modest 5.5 cm (2.2 inches), making them significantly smaller and notably more peaceful than their tiger barb cousins. They are true fin-nippers only when kept in insufficient groups; with proper numbers their peaceful nature shines through.

Unlike the semi-aggressive tiger barb, the fiveband barb is a genuinely peaceful community fish ideally suited to the softwater, acidic planted aquarium. It is a schooling species that requires groups of 8-10 individuals to display natural behaviour and optimal colouration. A tank of at least 72 litres with dim lighting, a dark substrate, driftwood roots, dried leaf litter, and dense planting that includes floating vegetation replicates its natural blackwater habitat. Peat filtration or the addition of Indian almond leaves will help maintain the soft, acidic conditions this species thrives in. They mix well with other small characins, rasboras, and Corydoras catfish from similar blackwater environments.

Water parameters: 21-26°C, pH 4.0-7.0, with very soft water (GH < 8 dGH). The diet should be predominantly small live and frozen foods — Daphnia, Artemia, Cyclops, and microworm — supplemented with high-quality micro-granules and finely crushed flake. Live foods are particularly important for maintaining the rich golden-orange body colour and encouraging breeding condition. They are egg-scatterers with no parental care, and breeding requires soft, acidic water with fine-leaved plants or a spawning mop. The fiveband barb is a hidden gem in the aquarium trade, offering the striking barred pattern of its more aggressive relative in a peaceful, manageable package suitable for the planted blackwater community aquarium.

Sources

Further reading on identification and aquarium care.

Tankmate compatibility (sample)

Pairwise screening against other species in the database (prioritizing the same family when data is available).

Review first (8)

Caution or avoid from automated rules — confirm before mixing.

SpeciesNotes
Chinese Bitterling

Rhodeus ocellatus

Caution

Species with non-overlapping pH ranges may not thrive together

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Denison barb

Sahyadria denisonii

Caution

Fish 2x+ larger may eat smaller tankmates

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Dwarf rasbora

Boraras maculatus

Caution

Fish 2x+ larger may eat smaller tankmates

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Least rasbora

Boraras urophthalmoides

Caution

Fish 2x+ larger may eat smaller tankmates

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Reticulated Sae

Crossocheilus reticulatus

Caution

Fish 2x+ larger may eat smaller tankmates

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Siamese flying fox

Crossocheilus oblongus

Caution

Fish 2x+ larger may eat smaller tankmates

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Sumatra barb

Puntigrus tetrazona

Caution

close relatives, and one of them is territorial, so both claim the same kind of space

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Tinfoil barb

Barbonymus schwanenfeldii

Caution

Fish 2x+ larger may eat smaller tankmates

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4 species with compatible assessment in this sampleCollapse to hide the list; use “Open pair in Compare” for the full matrix.
SpeciesNotes
Cherry barb

Puntius titteya

Compatible

No rule-based conflicts detected for this pair.

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Chinese barb

Barbodes semifasciolatus

Compatible

No rule-based conflicts detected for this pair.

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Clown rasbora

Rasbora kalochroma

Compatible

No rule-based conflicts detected for this pair.

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Red Cherry Rasbora

Rasbora lacrimula

Compatible

No rule-based conflicts detected for this pair.

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Same rule engine as Compare. Not a substitute for observation, tank size, or acclimation.

Related species

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