Fine-scaled yellowfin (Plagiognathops microlepis)

Family: Cyprinidae

Fine-scaled yellowfin — a Cyprinidae from China, peaceful; keep with similar-sized calm tankmates. Reaches 52.5–77 cm; keep in a group of 4–6 for natural behaviour. 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
52.5–77 cm
Minimum tank
500 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Peaceful; keep with similar-sized calm tankmates
Origin
China

Species overview

Plagiognathops microlepis is a Cyprinidae from China. In the wild it prefers clear streams and rivers over gravel; in the aquarium it stays peaceful. Plan on 52.5–77 cm of adult fish at 18–26 °C. In a community tank it pairs well with Robust schooling cyprinids.

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
Keep in a group of 4–6 for natural behaviour
Diet
Omnivore; prepared foods with regular variety
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
Breeding is straightforward scatter-spawning

Frequently asked questions

Is Fine-scaled yellowfin easy to keep?

A moderate-level species: peaceful; keep with similar-sized calm tankmates; stable water matters more than fancy equipment.

What temperature and water chemistry does Fine-scaled yellowfin need?

Hold 18–26 °C and keep it stable — 18–26 °C typical for the family. Room temperature to heated, depending on origin.

How big does Fine-scaled yellowfin get, and what tank size?

Full size is 52.5–77 cm. Minimum tank: 500 L, with open swimming space along its bottom-dwelling habits.

What does Fine-scaled yellowfin eat?

Omnivore; prepared foods with regular variety. Feed two small meals a day rather than one large one.

Can Fine-scaled yellowfin live with other fish?

Yes, with care. Peaceful; keep with similar-sized calm tankmates — pair it with Robust schooling cyprinids — Add activity without conflict and skip Much larger predators — Risk at night.

Where does Fine-scaled yellowfin come from?

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

Does Fine-scaled yellowfin jump?

Low escape risk, but a lid is cheap insurance.

How does Fine-scaled yellowfin breed?

In the aquarium: breeding is straightforward scatter-spawning. Males often slimmer and more colourful.