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Arulius barb - Dawkinsia arulius

Arulius barb - Dawkinsia arulius

Scientific name: Dawkinsia arulius

Common name: Arulius barb

Family: Cyprinidae

Usual size in fish tanks: 8 - 12 cm (3.15 - 4.72 inch)


Recommended pH range for the species: 6 - 7.5

Recommended water hardness (dGH): 8 - 12°N (142.86 - 214.29ppm)

0°C 32°F30°C 86°F

Recommended temperature: 24 - 28 °C (75.2 - 82.4°F)

The way how these fish reproduce: Spawning

Where the species comes from: East Asia

Temperament to its own species: peaceful

Temperament toward other fish species: peaceful

Usual place in the tank: Middle levels

Food and feeding

Quality flakes or pellet foods are ideal for Arulius barb, supplement the diet with blood worms or brine shrimp.


Arulius barbs are native to the Kaveri River basin of India.


Males have a more extended dorsal fin than the females; their coloration will be more distinct as well.


Arulius barbs will lay sticky eggs on any plants in the breeding tank, as with most barbs, the parents must be removed after spawning or the eggs will be eaten. The eggs should hatch after 24 hours and when the fry are free swimming they should be fed on Infusoria, later wean them onto newly hatched brine shrimp.


Expected lifespan is 5-10 years.

Short description

Best kept on groups of 6 fish or more, Puntius arulius have a reputation for being fin nippers but if kept with the right tank mates are peaceful. They prefer slightly acidic water but are tolerant of different hardness levels.


Bought by from barb, picture 1 Arulius barb, picture 2

Did you know?

  • Leaving lights turned on 24 hours a day is wrong, fish need nights too.
  • Spirulina-based fish food is recommended for every fish including even carnivores.
  • Plants produce oxygen during the day, but consumes it at night – a heavily planted tank should be aerated 24/7!
  • Fry is sometimes sucked by internal or external filters, that’s why it’s recommended to turn them off when fish breed.
  • Floating plants are a must in almost every aquarium, it is necessary to control their growth though (usually they’ll blackout the tank if not controlled).

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