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Fire Bar Danio

Devario maetaengensis

Also known as: Maetaeng Danio

A compact mountain-stream danio with bold patterning from northern Thailand's cool waters.

Fire Bar Danio
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CC BY-SA 3.0

About

The Fire Bar Danio (Devario maetaengensis) is a small, lively fish native to the cool, fast-moving mountain streams of northern Thailand, where it makes its living feeding primarily on insects that fall into the water from the surrounding vegetation. That natural diet is worth keeping in mind. A varied menu that includes floating and surface foods tends to bring out the best condition in this species. Being from highland stream habitat, it appreciates good water movement and well-oxygenated conditions, which also means it can be a bit less forgiving than the hardier, more widespread danio species that beginners typically start with. It stays compact at full size, which makes it workable in a reasonable mid-sized tank, but like most danios it's an active, fast-moving schooler that needs open water to do its thing. Keep a group of at least six or more and you'll see the confident, exploratory behavior that makes danios so entertaining to watch. The combination of limited natural range and specific water preferences puts this one in the intermediate category. Not a nightmare to keep, but probably not the right choice as someone's very first fish. For a keeper with a bit of experience who wants something a little off the beaten path, it's a genuinely rewarding species.

Frequently asked questions

How big does the Fire Bar Danio get?
The Fire Bar Danio reaches about 1–2" as an adult.
What size tank does the Fire Bar Danio need?
A minimum of 20 gallons is recommended for the Fire Bar Danio, with more room needed for a proper group.
What water parameters does the Fire Bar Danio need?
The Fire Bar Danio does best with a temperature of 68–82Β°F, a pH of 6–7.5, hardness around 1–12 dGH.
Is the Fire Bar Danio aggressive?
The Fire Bar Danio is generally peaceful and suits a community tank with similarly calm tankmates.
What does the Fire Bar Danio eat?
The Fire Bar Danio is an omnivore. It does well on a varied diet of quality flake or pellet plus occasional frozen or live foods.
How long does the Fire Bar Danio live?
With good care, the Fire Bar Danio typically lives 2-5 years.