Yunnanilus bajiangensis

Family: Nemacheilidae

Yunnanilus bajiangensis — a Nemacheilidae from China. Reaches 4.9–7.2 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
4.9–7.2 cm
Minimum tank
62 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Peaceful, active bottom-dweller
Origin
China

Species overview

Yunnanilus bajiangensis is a Nemacheilidae from China. In the wild it prefers hill-streams and riffles over pebbles; in the aquarium it stays peaceful, active bottom-dweller. Plan on 4.9–7.2 cm of adult fish at 18–26 °C. Related profiles: Yunnanilus pleurotaenia, Yunnanilus nigromaculatus, Yunnanilus pulcherrimus.

Native biotope

Habitat
Hill-streams and riffles over pebbles
Flow
Strong, well-oxygenated current
Dissolved O₂
Requires well-oxygenated water

Aquascape & hardware

Substrate
Smooth pebbles and coarse sand
Hardscape
Stacked stones forming crevices
Plants
Anubias and other hardy attachers

Temperament, diet & tankmates

Schooling
Gregarious; keep in groups
Diet
Omnivore; sinking granules and frozen foods
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
Females rounder-bodied
Breeding method
Rarely bred in captivity

Frequently asked questions

Is Yunnanilus bajiangensis easy to keep?

A moderate-level species: peaceful, active bottom-dweller; stable water matters more than fancy equipment.

What temperature and water chemistry does Yunnanilus bajiangensis need?

Set the heater to 18–26 °C and avoid swings. pH 6.5–7.5, GH 5–15 dGH suit it.

How big does Yunnanilus bajiangensis get, and what tank size?

Adults reach 4.9–7.2 cm; it is bottom-dwelling. Plan for at least 62 litres.

What does Yunnanilus bajiangensis eat?

Omnivore; sinking granules and frozen foods. It forages naturally over smooth pebbles and coarse sand, so let some food reach the bottom.

Can Yunnanilus bajiangensis live with other fish?

Peaceful, active bottom-dweller. Recommended tankmates: Similar-sized peaceful community fish — Similar size and water needs. Avoid Much smaller fish — May outcompete or bully tiny tankmates.

Where does Yunnanilus bajiangensis come from?

Its home waters are China — hill-streams and riffles over pebbles, with strong, well-oxygenated current.

How does Yunnanilus bajiangensis breed?

In the aquarium: rarely bred in captivity. Females rounder-bodied.