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Rhomb barb - Puntius rhomboocellatus

Rhomb barb - Puntius rhomboocellatus

Scientific name: Puntius rhomboocellatus

Common name: Rhomb barb

Family: Cyprinidae

Usual size in fish tanks: 8 - 9 cm (3.15 - 3.54 inch)


Recommended pH range for the species: 6.6 - 7.4

Recommended water hardness (dGH): 6 - 17°N (107.14 - 303.57ppm)

0°C 32°F30°C 86°F

Recommended temperature: 23 - 28 °C (73.4 - 82.4°F)

The way how these fish reproduce: Spawning

Where the species comes from: South Asia

Temperament to its own species: peaceful

Temperament toward other fish species: peaceful

Usual place in the tank: Bottom levels

Food and feeding

Rhomb barbs should accept all foods offered. Use a quality flake or small pellets as the staple diet. Also give treats of live or frozen foods in the form of blood worms, daphnia, and brine shrimp.


Asia; this species of barb is mostly found in Borneo.


Females tend to have a plumper body shape than the males.


Condition the parent fish for 2 weeks with live or frozen foods before placing them in the breeding tank. Fine leaved plants or spawning mops should be added to the tank as these fish are egg scatterers. After spawning, this normally takes place at daybreak; remove the parents as they will attempt to eat the eggs. After 24-48 hours the eggs should hatch and once free swimming, the fry can be fed on Infusoria initially.


The expected life span for Rhomb barb is 3-5 years.

Short description

This species of barb is very active but not considered as aggressive. Puntius rhomboocellatus do best in a well planted tank with high water quality.


Bought by from

Rhomb barb picture 1 Rhomb barb picture 2 Rhomb barb picture 3

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