Yunnanilus pulcherrimus

Family: Nemacheilidae

Yunnanilus pulcherrimus — a Nemacheilidae from China. Reaches 4.3–6.4 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
4.3–6.4 cm
Minimum tank
49 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Peaceful, active bottom-dweller
Origin
China

Species overview

Yunnanilus pulcherrimus, a member of the family Nemacheilidae, comes from China, where it inhabits hill-streams and riffles over pebbles. Peaceful, active bottom-dweller and omnivore; sinking granules and frozen foods, it grows to 4.3–6.4 cm and adapts well to a properly set-up aquarium in the 18–26 °C range. Other Yunnanilus species in our database include Yunnanilus pleurotaenia, Yunnanilus nigromaculatus.

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 pulcherrimus easy to keep?

Difficulty: moderate. Peaceful, active bottom-dweller. Gregarious; keep in groups.

What temperature and water chemistry does Yunnanilus pulcherrimus need?

Aim for 18–26 °C. Cooler, stable range preferred; 18–26 °C typical for the genus.

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

Expect 4.3–6.4 cm as an adult, living bottom-dwelling. A 49 L tank or larger gives it room.

What does Yunnanilus pulcherrimus eat?

Omnivore; sinking granules and frozen foods. Feed two small meals a day rather than one large one.

Can Yunnanilus pulcherrimus 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 pulcherrimus come from?

Native to China, where it lives in hill-streams and riffles over pebbles. Strong, well-oxygenated current; Requires well-oxygenated water.

How does Yunnanilus pulcherrimus breed?

Rarely bred in captivity. Females rounder-bodied.