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Encyclopedia / Barbs / Odessa barb
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Variations

1 kinds · tap one for a closer look

Odessa barb

Pethia padamya · Odessa

Peaceful for a barb.

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· real AED shop prices, never conversions
4.6 cmBody length, without tail ✓
16–25 °CTemperature ✓
6.5–7.5pH ✓
72 LSmallest tank ✓
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✕Not recommended
  • Tinfoil barb eats animals up to about 5 cm. Odessa barb only grows to 4.6 cm.
✕Not recommended
  • Giant gourami eats animals up to about 10 cm. Odessa barb only grows to 4.6 cm.
✕Not recommended
  • They need different temperatures (16–25 °C vs 26–30 °C). No setting suits both.
!With conditions
  • Only a narrow temperature range suits both: 24–25 °C.
!With conditions
  • Only a narrow temperature range suits both: 24–25 °C.
✓Compatible
✓Compatible
✓Compatible
✓Compatible
✓Compatible

291 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 ✓5–20 dGH
Group size ✓8 or more
Temperament ✓Peaceful
Swims at ?Middle
Care level ✓Easy
Diet Omnivore
Lifespan ?Unknown
Size in shops 2.5–3.5 cm
Growth Medium

Behavior

Peaceful for a barb.

Food

Flakes, pellets.

Tap a food to see what it is.

Male or female

How hard to tell: Easy

♂Male
♀Female
  1. 1
    Colour
    • MaleA thick bright red-orange band along the flanks
    • FemaleA much plainer colour pattern
  2. 2
    Body shape
    • FemaleThicker-bodied

Tip: Colour

From the checked notes: “Males have a thick bright red-orange band along the flanks; females are thicker-bodied with a much plainer colour pattern.” Numbers sit on the part of the body each difference is about. Tap a picture to see it bigger.

Health

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

Breeding

Egg-scatterer · Easy

Egg scatterer; spawn in a separate, smaller tank filled with mature water.

Pairing

Buy 6 or more; males turn red when ready.

Setup

40 L tank with fine plants or a spawning mop. Dim light.

What starts it

Warm water change and good feeding.

Eggs

Eggs hatch in 24-48 hours and fry are free-swimming about 24 hours later.

Raising the fry

Feed infusoria or liquid food for days 1-3, then baby brine shrimp and microworms. Grow out with frequent water changes. Sort by size to cut losses.

Common mistakes
  • Leaving parents with eggs
  • Bright light
  • Too small a group
Full breeding guide, day-by-day plan and simulator →

Where it lives in the wild

Ganges and BrahmaputraIrrawaddy and SalweenLoading the map…
Native range (rough area)Centre of the rangePlaces on the World Map
RegionCentral Myanmar
Rivers and lakesChindwin River basin
HabitatSlow lowland streams and floodplain waters
Native rangeAbout 250 km across
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The story of the odessa barb

From central Myanmar. In the aquarium trade since the early 1970s, it first appeared in Ukraine and is named after the port city of Odessa. Its wild origin was a mystery until 2003, and it was only formally described in October 2008.

The Odessa barb appeared in the hobby decades before it had a name; it is often said to have first surfaced among aquarists in the former Soviet Union. In 2008 Kullander and Britz finally described it from the Chindwin basin in Myanmar. Its red-striped males are still among the most colourful barbs.

First described by Sven O. Kullander & Ralf Britz in 2008. Named for 'Padamya' is Burmese for ruby, after the male's red colour.

  • It was kept by aquarists for decades before scientists formally described it.
  • Its common name refers to the city of Odessa rather than its home in Myanmar.
  • Only males show the bright red stripe; females are golden-olive.

Sources

16 facts checked with sources

  • Scientific name

    Described by Kullander & Britz, 2008 as Puntius padamya; now in Pethia. Before 2008 it was often thought to be a hybrid of P. conchonius, P. ticto and P. cumingii, or a subspecies of P. ticto or P. conchonius (Seriously Fish).

    FishBase: Pethia padamya summary · Seriously Fish: Pethia padamya
  • Familycorrected

    New value (legacy has none).

    FishBase: Pethia padamya summary
  • Sizecorrected

    Both give 4.6 cm SL (standard length, without tail). Legacy 6 cm may be a total length estimate but no TL figure was found.

    FishBase: Pethia padamya summary · Seriously Fish: Pethia padamya
  • Temperaturecorrected

    FishBase gives no temperature. Seriously Fish's range is cooler at the bottom and 1 °C lower at the top than legacy.

    Seriously Fish: Pethia padamya
  • pH

    Legacy range lies inside Seriously Fish's 6.5-8.5; the site could widen the top to 8.5.

    Seriously Fish: Pethia padamya
  • Hardnesscorrected

    New value (legacy has none).

    Seriously Fish: Pethia padamya
  • Smallest tankcorrected

    80 x 30 cm base x 30 cm height = 72 L; Seriously Fish lists ~72 litres. Legacy 80 L is slightly more generous.

    Seriously Fish: Pethia padamya
  • Group sizecorrectedSeriously Fish: Pethia padamya
  • TemperamentSeriously Fish: Pethia padamya
  • Swimming level

    No source names a swimming level.

    FishBase: Pethia padamya summary
  • Care level

    Seriously Fish maintenance difficulty rating 'Easy'.

    Seriously Fish: Pethia padamya
  • Where it livescorrected

    New value (legacy 'about' says 'From Myanmar', which agrees).

    Seriously Fish: Pethia padamya · FishBase: Pethia padamya summary
  • Male or female

    Main clue verified. The male's black-spotted fins were not mentioned in the quoted sexing text.

    Seriously Fish: Pethia padamya
  • BreedingSeriously Fish: Pethia padamya
  • Eggs and young

    Hatch time verified; egg count (100-300) not found in any source.

    Seriously Fish: Pethia padamya
  • Story

    Core claim verified; the 'markets' detail was not found in a source.

    Seriously Fish: Pethia padamya