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Encyclopedia / Gouramis & Bettas / Brownorum betta
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Variations

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Brownorum betta

Betta brownorum · Brownorum, Orange betta (brownorum), Betta brownorum

Peaceful and shy; keep in a quiet tank.

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3 cmBody length, without tail ✓
24–30 °CTemperature ✓
3–6pH ✓
40 LSmallest tank ✓
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Tank mates
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Not recommended
  • Tinfoil barb eats animals up to about 5 cm. Brownorum betta only grows to 3 cm.
  • Only a narrow pH range suits both: exactly 6.
Not recommended
  • White cloud mountain minnow needs cool water and makes a lot of waste, while Brownorum betta is tropical.
  • They need different temperatures (24–30 °C vs 14–22 °C). No setting suits both.
Not recommended
  • They need very different water (pH 3–6 vs 7.5–8.5).
With conditions
  • Only a narrow temperature range suits both: 24–25 °C.
With conditions
  • Only a narrow pH range suits both: exactly 6.
Compatible
Compatible
Compatible
Compatible
Compatible

104 species in our list are a good match.

Facts checked against sources on 16 Oct 2026. ✓ means a source backs it; ? means no reliable source yet. See sources

Care and water

Hardness ✓1–5 dGH
Group size ✓2 or more
Temperament ?Peaceful
Swims at ?Top
Care level ✓Moderate
Diet Carnivore
Lifespan ?Unknown
Size in shops 3–5 cm
Growth Medium

Behavior

Peaceful and shy; keep in a quiet tank.

Food

Frozen and live foods.

Tap a food to see what it is.

Male or female

Males are more colourful and develop longer fins than females; both sexes carry a large iridescent green blotch on the flank.

Health

Common problems. Tap one to see the signs. This is a guide, not a diagnosis.

Breeding

Bubble-nester · Hard

Bubble-nester, not a mouthbrooder. The male builds a nest in a tube, under a leaf or among floating plants, and alone guards it; adults usually do not eat the fry, which take microworm and Artemia nauplii once free-swimming.

Pairing

A conditioned pair.

Setup

40 L soft acidic planted tank with caves.

What starts it

Soft acidic water and live foods.

Eggs

Usually fewer than 20 eggs, sometimes up to 50. Eggs hatch in 24-48 hours and stay in the nest 3-4 more days.

Raising the fry

Fry take baby brine shrimp from day 1.

Common mistakes
  • Hard water
  • Boisterous tankmates
Full breeding guide, day-by-day plan and simulator →

Where it lives in the wild

RegionSarawak, Malaysian Borneo
HabitatPeat-swamp pools with dense leaf litter
Native rangeAbout 150 km across
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The story of the brownorum betta

A small bubble-nesting betta from the peat swamp forests of Sarawak and West Kalimantan, Borneo, with a reddish-magenta body and a large green spot on each flank. It is named after Barbara and Allan Brown, who first collected it.

Karl-Erich Witte and Jens Schmidt described this tiny betta in 1992 from Sarawak. It is a member of the coccina group and is known for its red body with a green spot.

First described by Karl-Erich Witte & Jens Schmidt in 1992. Named for The '-orum' ending honours more than one person named Brown.

  • Males have a shiny green spot on each side.
  • It belongs to the coccina group of small bettas.
  • It lives in very acidic peat-swamp water.

Sources

16 facts checked with sources