All fish / Danionidae

Devario acrostomus

Also known as acrostomus danio, danio acrostomus, annamite devario

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A fairly large, slim devario from fast hill streams in Laos and Vietnam, with a silvery body marked by short dark vertical bars along the flanks and an upturned mouth. It is rarely seen in the trade, so it appeals to keepers of unusual cyprinids who want an active, hardy shoaling fish for a long, well-oxygenated tank.

Care at a glance

Care level: Easy
Temperament: Peaceful
Adult size: 8 cm
Temperature: 20 to 26 °C
pH: 6.5 to 7.5
Smallest tank: 150 litres
Keep as: Shoal of 8 or more
Diet: Omnivore: quality flakes and granules, plus live or frozen bloodworm, daphnia and brine shrimp
Swims: Top of the tank
Lifespan: 3 to 5 years
Water: Freshwater
Wild range: Laos and Vietnam (rivers of the Annamite range, Mekong and coastal basins)

Breeding

It is an egg scatterer that gives no parental care, so adults will eat the eggs. Spawning is likely in a separate tank with fine-leaved plants or mesh over the base, but there are few reports of captive breeding.

Good to know

Very fast, active swimmer that needs a long tank with a tight lid and strong flow; may nip or outcompete slow, long-finned tankmates.