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Breeding / Mouthbrooders
Mouthbrooders · Moderate

Breeding the spotted betta

Paternal mouthbrooder. After a long courtship both adults gather the eggs, which end up in the male's mouth; he broods them 10-14 days and then releases free-swimming fry (5 mm+) that take microworm and Artemia nauplii. Males often swallow broods if disturbed.

Full species page

Step by step

Pairing

A pair in a large tank.

Breeding tank

150 L soft tank with caves and wood.

What starts it

Live foods and clean water.

Eggs and young

Egg count not given by sources; the male broods the eggs 10-14 days.

Raising the fry

Fry take baby brine shrimp and microworms.

Common mistakes
  • Housing males together
  • Small tankmates
Setup blueprint

Home setup

One breeding tank for the spotted betta, drawn to scale from the breeding guide.

80 cm long · 40 cm deep50 cm1234
  1. 1
    Breeding tank: 150 L · about 80 × 40 × 50 cm, 150 L from the breeding guide
  2. 2
    Sponge filter and air pump · gentle and safe for eggs and fry
  3. 3
    Heater, 21–26 °C · this species' normal range
  4. 4
    Cave · named in the guide

Water: 21–26 °C · pH 5–7 · soft water

A plan from the breeding guide and an adult size of 11.5 cm. Tank shape is a standard 2 : 1 : 1.2 box, at least 6 adult lengths long. Check each step in the guide above.

Setup blueprint

Business setup

A 120 cm rack for breeding the spotted betta in numbers.

12234120 cm rack, 3 shelves
  1. 1
    1 breeding tank, 150 L · about 80 × 40 × 50 cm, set up like the home tank
  2. 2
    2 grow-out tanks, 300 L each · about 100 × 50 × 60 cm; twice the breeding tank, never smaller than this species' smallest tank
  3. 3
    Shared air pump and air line · one line along each shelf feeds a sponge filter in every tank
  4. 4
    Heat the room or each tank · 21–26 °C

In total: 3 tanks, about 750 L of water. A litre of water weighs about 1 kg, so check that the floor and rack can take the weight.

Sizes are worked out from the breeding tank in the guide. Tanks fit a standard 120 cm rack when they can; bigger tanks go on their own stands.

Male or female

Males grow larger, are more colourful, have a broader head and longer fins than females.

Can I breed it in my tank?

  • Takes some experience.

Day-by-day plan

Typical for mouthbrooders

  1. 21 days beforeGroup and condition

    Usually one male with several females. Feed high-quality food.

  2. Day 0Spawning

    The female takes the eggs into her mouth and stops eating.

  3. Day 21Release

    After about 3 weeks the female releases fully formed fry. Many breeders move her to a quiet tank first.

  4. Day 21First food

    Fry eat crushed flake and baby brine shrimp straight away.

  5. Day 90Grow-out

    Fry are a few centimetres long after about 3 months.

A general guide for this breeding type. Days change with temperature and species.

Simulator: guided

Stage 1 of 5Group and condition

Usually one male with several females. Feed high-quality food.

Simulator: try it yourself

Set up a virtual breeding tank and see what would likely happen.

No spawning
  • Without live or frozen food the parents aren't in breeding condition.

An educational estimate from the breeding rules, not a promise.