Dusky Labiate-barbel (Semilabeo obscurus)

Family: Cyprinidae

Dusky Labiate-barbel — a Cyprinidae from Pearl River basin, China, calm, undemanding and well-suited to community life. Reaches 21.1–31 cm; small groups recommended. 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
21.1–31 cm
Minimum tank
500 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Calm, undemanding and well-suited to community life
Origin
Pearl River basin, China

Species overview

Semilabeo obscurus is a Cyprinidae from Pearl River basin, China. In the wild it prefers clear streams and rivers over gravel; in the aquarium it stays calm, undemanding and well-suited to community life. Plan on 21.1–31 cm of adult fish at 18–26 °C. Related profiles: Semilabeo notabilis.

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
Small groups recommended
Diet
Unfussy omnivore; varied diet keeps condition
Recommended tankmates
  • Robust schooling cyprinids — Add activity without conflict
Avoid keeping with
  • Much larger predators — Risk at night

Breeding & notes

Sexual dimorphism
Males often slimmer and more colourful
Breeding method
Spawns freely; remove parents to save the eggs

Frequently asked questions

Is Dusky Labiate-barbel easy to keep?

Intermediate difficulty. Calm, undemanding and well-suited to community life; small groups recommended.

What temperature and water chemistry does Dusky Labiate-barbel need?

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

How big does Dusky Labiate-barbel get, and what tank size?

Full size is 21.1–31 cm. Minimum tank: 500 L, with open swimming space along its bottom-dwelling habits.

What does Dusky Labiate-barbel eat?

Unfussy omnivore; varied diet keeps condition. It forages naturally over fine gravel and sand, so let some food reach the bottom.

Can Dusky Labiate-barbel live with other fish?

Calm, undemanding and well-suited to community life. Recommended tankmates: Robust schooling cyprinids — Add activity without conflict. Avoid Much larger predators — Risk at night.

Where does Dusky Labiate-barbel come from?

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

Does Dusky Labiate-barbel jump?

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

How does Dusky Labiate-barbel breed?

In the aquarium: spawns freely; remove parents to save the eggs. Males often slimmer and more colourful.