Tussy's Betta

Betta tussyae

Photo of aquarium fish Tussy's Betta
Natural range
  • Malay Peninsula area
  • Pahang area
  • Malaysia
Labyrinth fish Up to 40 litres Conservation status: Endangered EN

Family:Osphronemidae

Tussy's Betta, scientifically known as Betta tussyae, belongs to the family Osphronemidae, or Gouramies. It was named after Tussy Nagy, the wife of Australian aquarist Peter Nagy, who introduced the first specimens of these amazing fish to the European public in 1979.

Required aquarium volume
from 40 L
Size in aquarium
3 – 4 cm
Temperature
22 – 27 °C
Temperament
Peaceful (regular)
Parameters
Temperature22 – 27 °C
Water pHAcidic (3) – Slightly acidic (6)
Water dHVery soft (1) – Medium hardness (8)
Water salinityno salt (freshwater)
Size in aquarium3 – 4 cm
Lifespan4 years
TemperamentPeaceful (regular)
Toward small fishnot a predator
Required aquarium volumefrom 40 L
Lightingdimmed
Substrateany, but dark
Water flownone or stagnant (no flow)
FeedingPlant-based
KeepingMixed

Frequently asked questions

The essentials: size, tank volume, water parameters and care

How big does Tussy's Betta get?

An adult reaches 3–4 cm in length. Plan the tank around the maximum size: the fish quickly outgrows a cramped setup.

What size aquarium does Tussy's Betta need?

The recommended volume is 40 L. A smaller tank speeds up nitrate build-up and raises stress levels.

What water parameters does Tussy's Betta need?

Temperature 22–27 °C, pH 3–6, hardness 1–8 dGH. Stability matters more than exact values: sudden swings are harder on the fish than a small deviation from the ideal.

How long does Tussy's Betta live?

Around 4 years when kept properly. Lifespan depends directly on tank volume, water quality and a varied diet.

Is Tussy's Betta aggressive?

Temperament: peaceful (regular). Keep this in mind when choosing tank mates.

How many Tussy's Betta should be kept together?

Recommended setup: mixed (solitary / pair / group). Ignoring this is a common cause of stress and disease.

What does Tussy's Betta eat?

Diet type: plant-based (algae, vegetables). Feed small portions that are finished within a couple of minutes — overfeeding does more harm than underfeeding.

What is the scientific name of Tussy's Betta?

The scientific name of the species is Betta tussyae, family Osphronemidae.

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