Acheilognathus imberbis

Family: Cyprinidae

Acheilognathus imberbis — a Cyprinidae from China & East Asia, gentle community fish that dislikes fin-nippers. Reaches 6–8.8 cm; shoaling; keep at least 8 together. 15–25 °C.

Care parameters

Water temperature
15–25 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
6–8.8 cm
Minimum tank
93 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Gentle community fish that dislikes fin-nippers
Origin
China & East Asia

Species overview

Acheilognathus imberbis, a member of the family Cyprinidae, comes from China & East Asia, where it inhabits clear streams and rivers over gravel. Gentle community fish that dislikes fin-nippers and unfussy omnivore; quality flakes plus blanched greens, it grows to 6–8.8 cm and adapts well to a properly set-up aquarium in the 15–25 °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
Shoaling; keep at least 8 together
Diet
Unfussy omnivore; quality flakes plus blanched greens
Recommended tankmates
  • White-cloud mountain minnows — Share its calm, cool temperament
Avoid keeping with
  • Large or boisterous fish — Outcompeted at feeding time

Breeding & notes

Sexual dimorphism
Males often slimmer and more colourful
Breeding method
Mussel-brooding egg-scatterer; the male guards the mussel territory

Frequently asked questions

Is Acheilognathus imberbis easy to keep?

Intermediate difficulty. Gentle community fish that dislikes fin-nippers; shoaling; keep at least 8 together.

What temperature and water chemistry does Acheilognathus imberbis need?

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

How big does Acheilognathus imberbis get, and what tank size?

Expect 6–8.8 cm as an adult, living bottom-dwelling. A 93 L tank or larger gives it room.

What does Acheilognathus imberbis eat?

Unfussy omnivore; quality flakes plus blanched greens. Vary the menu — quality flakes or pellets plus frozen or live foods.

Can Acheilognathus imberbis live with other fish?

Gentle community fish that dislikes fin-nippers. Recommended tankmates: White-cloud mountain minnows — Share its calm, cool temperament. Avoid Large or boisterous fish — Outcompeted at feeding time.

Where does Acheilognathus imberbis come from?

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

Does Acheilognathus imberbis jump?

Not a noted jumper — a standard cover still keeps dust and spray in.

How does Acheilognathus imberbis breed?

In the aquarium: mussel-brooding egg-scatterer; the male guards the mussel territory. Males often slimmer and more colourful.