Tabira Bitterling (Acheilognathus tabira)

Family: Cyprinidae

Tabira Bitterling — a Cyprinidae from Japan, peaceful; males spar gently in breeding dress. Reaches 5.9–8.7 cm; sociable; a larger group spreads any squabbles. 10–25 °C.

Care parameters

Water temperature
10–25 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
5.9–8.7 cm
Minimum tank
91 L
Water layer
Active throughout the water column
Difficulty
Moderate
Temperament
Peaceful; males spar gently in breeding dress
Origin
Japan

Species overview

Acheilognathus tabira, a member of the family Cyprinidae, comes from Japan, where it inhabits clear streams and rivers over gravel. Peaceful; males spar gently in breeding dress and omnivore with a taste for vegetable foods and small live fare, it grows to 5.9–8.7 cm and adapts well to a properly set-up aquarium in the 10–25 °C range. Other Acheilognathus species in our database include Acheilognathus barbatulus, Acheilognathus cyanostigma, Acheilognathus gracilis.

Native biotope

Habitat
Clear streams and rivers over gravel
Flow
Moderate, well-oxygenated current
Dissolved O₂
Appreciates well-oxygenated water

Aquascape & hardware

Substrate
Fine gravel and sand
Hardscape
Water-worn stones and driftwood
Plants
Hardy rooted plants along the margins

Temperament, diet & tankmates

Schooling
Sociable; a larger group spreads any squabbles
Diet
Omnivore with a taste for vegetable foods and small live fare
Recommended tankmates
  • Other small peaceful cyprinids — Similar size, similar water
Avoid keeping with
  • Fin-nippers — Their flowing fins invite damage

Breeding & notes

Sexual dimorphism
Males often slimmer and more colourful
Breeding method
Spawns inside living freshwater mussels; no parental care

Frequently asked questions

Is Tabira Bitterling easy to keep?

Difficulty: moderate. Peaceful; males spar gently in breeding dress. Sociable; a larger group spreads any squabbles.

What temperature and water chemistry does Tabira Bitterling need?

Set the heater to 10–25 °C and avoid swings. pH 6.5–7.5, GH 5–15 dGH suit it.

How big does Tabira Bitterling get, and what tank size?

Expect 5.9–8.7 cm as an adult, living active throughout the water column. A 91 L tank or larger gives it room.

What does Tabira Bitterling eat?

Omnivore with a taste for vegetable foods and small live fare. Feed two small meals a day rather than one large one.

Can Tabira Bitterling live with other fish?

Yes, with care. Peaceful; males spar gently in breeding dress — pair it with Other small peaceful cyprinids — Similar size, similar water and skip Fin-nippers — Their flowing fins invite damage.

Where does Tabira Bitterling come from?

Native to Japan, where it lives in clear streams and rivers over gravel. Moderate, well-oxygenated current; Appreciates well-oxygenated water.

Does Tabira Bitterling jump?

Jumping is not a known issue; cover the tank anyway during water changes.

How does Tabira Bitterling breed?

In the aquarium: spawns inside living freshwater mussels; no parental care. Males often slimmer and more colourful.