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Tiger Barb

Puntigrus tetrazona

The Striped Terrorist (2.5 inches / 6-7 cm). The Tiger Barb is incredibly striking, featuring a golden-orange body slashed with four deep-black vertical tiger stripes and a blood-red nose. However, it is infamous worldwide as the ultimate 'Fin-Nipper'. It is wildly hyperactive, robust, and bossy. If kept incorrectly, it will ruthlessly terrorize and shred the fins of every other fish in your aquarium.

Taxonomy
Class:Actinopteri
Order:Cypriniformes
Family:Cyprinidae
Genus:Puntigrus
Species:Puntigrus tetrazona

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Water Temperature

23 - 28 °C

pH Value

6 - 7.5

Water type

Freshwater

Tank level

Middle

Adult size

7 cm

Minimum tank volume

>= 60 L

Minimum group

>= 1

GH

4 - 15 dGH

KH

2 - 7 dKH

TDS

80 - 295 ppm

Conductivity

125 - 461 uS/cm

Species description

Geographical Origin and Habitat: Native to Indonesia (Sumatra and Borneo) and the Malay Peninsula. Inhabits a wide range of habitats, from fast-flowing rivers to oxbows, lakes, and peat swamps with dark waters. It prefers clear, well-oxygenated waters with dense marginal vegetation and bottoms covered with gravel or sand.
Taxonomy and Morphology: Stocky, deep-bodied, laterally compressed Cyprinid with a diamond shape. The mouth lacks barbels. Unlike similar species (such as P. partipentazona), it has exactly 4 well-defined and uninterrupted vertical black bands, hence the name "tetrazona". Reaches a maximum length of about 7 cm (2.8 inches).
Social Behavior: Extremely lively, hyperactive, and notorious for being a fin-nipper if kept in insufficient numbers. Must be strictly kept in large schools (minimum 10-15 specimens). In large groups, they establish a strict internal hierarchy and constant skirmishes among conspecifics distract their attention from other fish in the tank.
Coloration and Sexual Dimorphism: Background varies from silver to golden/yellow, crossed by four unmistakable vertical black bands. Dorsal and ventral fins have red edges. Adult males are distinctly more slender and display much more intense coloration, with their "nose" (snout) and pelvic fins turning fiery red. Females are paler with a much rounder abdomen.

Care, breeding and tankmates

Aquarium Setup: Requires aquariums at least 80 cm (30 inches) long to accommodate their darting swimming. Prefers a well-planted tank on the sides and back, but with plenty of open swimming space centrally. A dark substrate and not too intense lighting help calm the school. Excellent presence of wood and a gentle current provided by the filter.
Diet and Feeding: Very voracious omnivore. In the wild, it feeds on insects, algal detritus, and small crustaceans. In the aquarium, it eagerly accepts anything: flakes, micro-pellets, live or frozen food (bloodworms, brine shrimp). To maintain bright colors and good digestion, it is essential to supplement the diet with vegetable components (Spirulina, blanched vegetables).
Water Quality: Hardy and adaptable fish, but demands clean water. Prefers temperatures between 23.0 and 28.0 °C (73-82 °F). The ideal pH is between 6.0 and 7.5, while hardness (GH) can vary from 4.0 to 15.0. Poor water hygiene or nitrate spikes make it and vulnerable to bacterial infections.
Compatibility and Cohabitation: Complex pairing. Never pair it with shy, slow fish, or those with long fins (Bettas, Angelfish, Gouramis, Guppies), which would be relentlessly harassed. Excellent coexistence with equally fast and robust fish (Danios, Rasboras, large Tetras), Loaches (like Macracanthus), and large Corydoras. If the Barb school is large, the harassment level drops drastically.
Aquarium Breeding: Prolific spawner. Scatters adhesive eggs among fine-leaved plants at first light after lively chases. The parents are avid devourers of their own eggs: to save the offspring it is necessary to set up a separate tank with a protective net on the bottom or remove the adults immediately after spawning.
Risks and Diseases: Generally very hardy. However, the tendency to overeat can cause constipation and swim bladder problems (evident if the fish swims "head down"). Stress from too small schools quickly leads to an immune collapse with the appearance of Ich (Ichthyophthirius).

Geographic Origin and Distribution

Native to Indonesia (Sumatra and Borneo) and the Malay Peninsula. Inhabits a wide range of habitats, from fast-flowing rivers to oxbows, lakes, and peat swamps with dark waters. It prefers clear, well-oxygenated waters with dense marginal vegetation and bottoms covered with gravel or sand.

Origin

Cosmopolitan or introducedSouth and Southeast Asia

Fish profile

Temperament
Semi-aggressive
They have a highly boisterous, bold, and aggressive temperament. Their constant chasing and sparring is completely natural behavior. They add unparalleled motion and energy to large display aquariums.
Diet
Omnivore
They are ravenous omnivores requiring a balanced daily diet. Flakes, granules, and frozen foods are all attacked with immense vigor. Offering occasional blanched vegetables supports their digestive tract health.
Sex ratio
School
A large mixed shoal of at least ten is highly recommended. This large number forces them to chase each other instead of tankmates. Males develop stunning red noses when establishing the hierarchy.
Feeding frequency
Twice daily
Feed them twice daily in amounts they consume instantly. They are highly prone to overeating and subsequent bloating. Avoid floating foods that cause them to gulp excessive air.
Bioload
The classic Tiger Barb generates a moderate but noticeable bioload. Their manic activity levels mean they process food very quickly. Efficient filtration and regular maintenance are critical for success.
Flow
Stagnant
They prefer a moderate to strong water flow environment. Powerheads encourage them to swim against the current playfully. High oxygenation is necessary to support their frenetic lifestyle.
Reproduction
Oviparous
They are prolific egg-scatterers under the right conditions. A separate breeding tank with a mesh bottom saves the eggs. They provide no care and eat fry indiscriminately.
Compatibility & tankmates
They are infamous for being semi-aggressive fin-nippers. Housing them with slow-moving fish like Guppies is a terrible idea. Keep them strictly with fast, short-finned, and robust tankmates.
Tank level
Middle
They relentlessly patrol the mid-water column of the aquarium. They utilize all open swimming spaces with incredible speed. They rarely venture to the absolute bottom or surface.

Window to the official scientific data of the species

Data synced on: 06/15/2026

Scientific Parameters & Models

Trophic level
2.9 ± 0.31 se
Resilience
High (less than 15 months)
Phylogenetic uniqueness (PD50)
0.5312
Bayesian Length-Weight
a = 0.01622, b = 2.94
VulnerabilityLow vulnerability (10 / 100)

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

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Last updated: 06/30/2026
Tiger Barb (Puntigrus tetrazona) Care Guide & Tank Setup | Atlarium