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Tiger Barb (Puntius tetrazona)

Common Names - Sumatra Barb, Striped Barb

Tiger Barb

The Tiger Barb is an energetic schooling fish with striking striped coloration, perfectly suited for a community tank with active tankmates.

Overview

The Tiger Barb (Puntius tetrazona) is one of the most recognizable aquarium fish in the Cyprinidae family, beloved for its vibrant striped pattern and tireless energy. In the wild, this species inhabits slow-moving rivers and streams on the islands of Sumatra and Borneo, as well as the Malay Peninsula, where it favors shaded areas with dense vegetation and soft substrates.

The body is tall and laterally compressed, reaching 6–8 cm in length. The base coloration is golden-yellow with four characteristic vertical black bands: through the eye, behind the pectoral fin, in front of the dorsal fin, and at the base of the tail. The dorsal fin is edged with a black band and a red margin, while the ventral and anal fins display a rich red-orange hue. Males are more vividly colored, especially during spawning, when their snouts take on a reddish tint.

Over decades of aquarium breeding, numerous color variations have been developed: the green (moss) barb, albino form, and long-finned varieties. However, the classic striped form remains the most popular and hardiest.

Tank Requirements

A school of Tiger Barbs requires an aquarium of at least 100 liters. These are active swimmers that need ample open space for movement, so an elongated tank shape is preferable.

Water parameters:

  • Temperature: 24–28 °C
  • pH: 6.0–7.5
  • General Hardness (GH): 5–15 dGH

Fine gravel or coarse sand in dark shades works best as a substrate — it makes the fish's colors appear especially vivid. Plant the aquarium with live plants around the perimeter and along the back wall, leaving the central area open for swimming. Vallisneria, cryptocorynes, and Java moss are all suitable choices. Driftwood and rocks provide additional hiding spots and give the tank a more natural appearance.

Lighting should be moderate — overly bright light causes stress. Aim for a medium current that mimics the conditions of their natural biotope. A secure lid is essential, as Tiger Barbs are excellent jumpers.

Feeding and Diet

Puntius tetrazona is a typical omnivore that feeds on small invertebrates, insect larvae, algae, and detritus in the wild. In the aquarium, these fish readily accept virtually any food offered.

Staple diet:

  • High-quality flakes or small granules for tropical fish

Supplemental foods (2–3 times per week):

  • Live or frozen bloodworms
  • Brine shrimp (nauplii and adult)
  • Daphnia
  • Cyclops
  • Finely chopped vegetables (cucumber, zucchini, spinach)

Feed twice daily in small portions that the fish consume within 2–3 minutes. Tiger Barbs are prone to overeating, so it is important not to overfeed them. A weekly fasting day benefits their digestion and overall health.

Care and Maintenance

The Tiger Barb is a fairly hardy fish, but stable water quality remains the key to its well-being. With proper care, its lifespan is 4–6 years.

Weekly maintenance:

  • 25–30% water changes
  • Gravel vacuuming to remove uneaten food and waste
  • Algae cleaning from glass surfaces

Filtration should be efficient without creating excessively strong currents. An external canister filter is the optimal choice for appropriately sized tanks. Regularly test water parameters for ammonia, nitrites, and nitrates.

Tiger Barbs are reasonably resistant to disease, but sudden fluctuations in water parameters or stress can make them susceptible to ich (white spot disease). Quarantining new fish before adding them to the main tank is an essential preventive measure.

Compatibility

Tiger Barbs are schooling fish and must be kept in groups of 6 or more. In smaller groups, they become nervous and tend to nip the fins of their tankmates. In a large school, hierarchical interactions stay within the group, and the fish pay little attention to other aquarium inhabitants.

Good tankmates:

Unsuitable tankmates:

  • Bettas and other fish with long, flowing fins — barbs will nip at them
  • Slow-moving angelfish and gouramis
  • Very small fish that may become targets of harassment

The sex ratio within the group is not critical, but having several males allows you to enjoy their ritualized sparring displays — a truly entertaining sight.

Breeding

Breeding Tiger Barbs is not particularly difficult and is accessible even for beginner aquarists. Sexual maturity is reached at 6–8 months of age.

Spawning preparation:

  • A separate breeding tank of 30–40 liters
  • Water temperature: 26–28 °C
  • pH: 6.0–6.5 (soft, slightly acidic water)
  • Place a mesh or fine-leaved plants (Java moss) on the bottom to protect the eggs
  • Water level of 15–20 cm

Separate males and females for 1–2 weeks before spawning and feed them generously with live foods. Females are easily distinguished by their fuller bellies and less vivid coloration. Spawning typically occurs in the early morning. The female lays up to 200–300 eggs, which sink to the bottom and adhere to the substrate.

Remove the parents immediately after spawning — Puntius tetrazona readily consume their own eggs. Incubation takes approximately 36 hours, and the fry become free-swimming after 3–5 days. Initial food should be infusoria and brine shrimp nauplii. As the fry grow, gradually transition them to larger foods.

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