Yalu small gudgeon (Microphysogobio yaluensis)

Family: Cyprinidae

Yalu small gudgeon — a Cyprinidae from China. Reaches 7.9–11.7 cm; keep at 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
7.9–11.7 cm
Minimum tank
164 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Mostly peaceful; some species nip fins
Origin
China

Species overview

Microphysogobio yaluensis, a member of the family Cyprinidae, comes from China, where it inhabits clear streams and rivers over gravel. Mostly peaceful; some species nip fins and omnivore; prepared foods with regular vegetable matter, it grows to 7.9–11.7 cm and adapts well to a properly set-up aquarium in the 18–26 °C range. Other Microphysogobio species in our database include Microphysogobio tungtingensis, Microphysogobio amurensis, Microphysogobio chinssuensis.

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 in groups of 6 or more
Diet
Omnivore; prepared foods with regular vegetable matter
Recommended tankmates
  • Similar-sized peaceful community fish — Similar size and water needs
Avoid keeping with
  • Much smaller fish — May outcompete or bully tiny tankmates

Breeding & notes

Sexual dimorphism
Males often slimmer and more colourful
Breeding method
Egg-scatterer; no parental care

Frequently asked questions

Is Yalu small gudgeon easy to keep?

Difficulty: moderate. Mostly peaceful; some species nip fins. Shoaling; keep in groups of 6 or more.

What temperature and water chemistry does Yalu small gudgeon need?

Aim for 18–26 °C. Room temperature to heated, depending on origin; 18–26 °C typical for the genus.

How big does Yalu small gudgeon get, and what tank size?

Expect 7.9–11.7 cm as an adult, living bottom-dwelling. A 164 L tank or larger gives it room.

What does Yalu small gudgeon eat?

Omnivore; prepared foods with regular vegetable matter. Vary the menu — quality flakes or pellets plus frozen or live foods.

Can Yalu small gudgeon live with other fish?

Yes, with care. Mostly peaceful; some species nip fins — pair it with Similar-sized peaceful community fish — Similar size and water needs and skip Much smaller fish — May outcompete or bully tiny tankmates.

Where does Yalu small gudgeon come from?

Its home waters are China — clear streams and rivers over gravel, with moderate, well-oxygenated current.

Does Yalu small gudgeon jump?

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

How does Yalu small gudgeon breed?

Egg-scatterer; no parental care. Males often slimmer and more colourful.