Siniperca Loona (Coreoperca loona)

Family: Percichthyidae

Siniperca Loona — a Percichthyidae from China. Reaches 16.4–24 cm; keep at 10–23 °C.

Care parameters

Water temperature
10–23 °C
pH
7–7.4
GH hardness
2–5 dGH
Adult length
16.4–24 cm
Minimum tank
500 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Predatory toward small fish
Origin
China

Species overview

A Percichthyidae species native to China: Coreoperca loona lives bottom-dwelling over river rapids and rocky lakeshores. Predatory toward small fish. Adults reach 16.4–24 cm. It is one of the aquarium-kept Coreoperca species we profile, alongside Coreoperca kawamebari, Coreoperca whiteheadi.

Native biotope

Habitat
River rapids and rocky lakeshores
Flow
Moderate to strong current
Dissolved O₂
High

Aquascape & hardware

Substrate
Gravel and rock
Hardscape
Rock piles and boulders
Plants
Hardy species

Temperament, diet & tankmates

Schooling
Singles or small groups in spacious tanks
Diet
Carnivore
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
Breeding colours differ
Breeding method
Substrate spawner

Frequently asked questions

Is Coreoperca loona easy to keep?

A moderate-level species: predatory toward small fish; stable water matters more than fancy equipment.

What temperature and water chemistry does Coreoperca loona need?

Hold 10–23 °C and keep it stable — 10.0–23.0 °C typical for the genus. Stable temperate to subtropical.

How big does Coreoperca loona get, and what tank size?

Full size is 16.4–24 cm. Minimum tank: 500 L, with open swimming space along its bottom-dwelling habits.

What does Coreoperca loona eat?

Carnivore. Feed two small meals a day rather than one large one.

Can Coreoperca loona live with other fish?

Predatory toward small fish. Recommended tankmates: Similar-sized peaceful community fish — Similar size and water needs. Avoid Much smaller fish — May outcompete or bully tiny tankmates.

Where does Coreoperca loona come from?

Comes from China: river rapids and rocky lakeshores. Expect moderate to strong current and high.

Does Coreoperca loona jump?

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

How does Coreoperca loona breed?

In the aquarium: substrate spawner. Breeding colours differ.