All fish / Characidae

Hyphessobrycon arianae

Hyphessobrycon arianae

Also known as ariana tetra, arianae tetra

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A small tetra described in 2014 from the Tapajós drainage in Brazil, with a silvery body, a dark humeral blotch and reddish tints in the fins. It is kept by enthusiasts who like rare, newly described characins and suits a planted, softly lit community tank.

Care at a glance

Care level

Moderate

Temperament

Peaceful

Adult size

3 cm

Temperature

23 to 28 °C

pH

5.5 to 7

Smallest tank

54 litres

Keep as

Shoal of 8 or more

Diet

Omnivore: small live and frozen foods such as daphnia and brine shrimp, plus quality flakes and micro pellets

Swims

Middle of the tank

Lifespan

3 to 5 years

Water

Freshwater

Wild range

Brazil (upper Rio Tapajós basin, Mato Grosso)

Breeding

It is an egg scatterer that gives no parental care, so adults will eat the eggs. Captive breeding is rarely reported but should follow the usual small tetra method of soft, acidic water, fine-leaved plants or a spawning mop and removal of the parents.

Good to know

Rarely seen in the trade and easily confused with related Hyphessobrycon species, so care figures are based on similar tetras from the region. Keep it with other small, peaceful fish.