Chinese Gudgeon (Bostrychus sinensis)

Family: Eleotridae

Chinese Gudgeon — a Eleotridae from China, calm bottom resident with clear territory boundaries. Reaches 16.5–24.2 cm; singly or in pairs; every fish needs its own refuge. 22–28 °C.

Care parameters

Water temperature
22–28 °C
pH
7–8
GH hardness
9–19 dGH
Adult length
16.5–24.2 cm
Minimum tank
500 L
Water layer
Middle of the water column
Difficulty
Moderate
Temperament
Calm bottom resident with clear territory boundaries
Origin
China

Species overview

A Eleotridae species native to China: Bostrychus sinensis lives middle of the water column over warm freshwater streams and lakes. Calm bottom resident with clear territory boundaries. Adults reach 16.5–24.2 cm. In a community tank it pairs well with Non-goby bottom fish.

Native biotope

Habitat
Warm freshwater streams and lakes
Flow
Still to gentle current
Dissolved O₂
Moderate oxygen levels

Aquascape & hardware

Substrate
Fine sand and gravel
Hardscape
Driftwood and smooth stones
Plants
Hardy common aquarium plants

Temperament, diet & tankmates

Schooling
Singly or in pairs; every fish needs its own refuge
Diet
Meaty foods; train onto frozen then pellets
Recommended tankmates
  • Non-goby bottom fish — Ignore its territorial posturing
Avoid keeping with
  • Large aggressive fish — Shatter its sense of cover

Breeding & notes

Sexual dimorphism
Subtle external differences
Breeding method
Cave or crevice spawner; the male guards the eggs

Frequently asked questions

Is Chinese Gudgeon easy to keep?

Intermediate difficulty. Calm bottom resident with clear territory boundaries; singly or in pairs; every fish needs its own refuge.

What temperature and water chemistry does Chinese Gudgeon need?

Hold 22–28 °C and keep it stable — 22.0–28.0 °C typical for the family. Stable temperature matching the species origin.

How big does Chinese Gudgeon get, and what tank size?

Full size is 16.5–24.2 cm. Minimum tank: 500 L, with open swimming space along its middle of the water column habits.

What does Chinese Gudgeon eat?

Meaty foods; train onto frozen then pellets. Feed two small meals a day rather than one large one.

Can Chinese Gudgeon live with other fish?

Calm bottom resident with clear territory boundaries. Recommended tankmates: Non-goby bottom fish — Ignore its territorial posturing. Avoid Large aggressive fish — Shatter its sense of cover.

Where does Chinese Gudgeon come from?

Comes from China: warm freshwater streams and lakes. Expect still to gentle current and moderate oxygen levels.

Does Chinese Gudgeon jump?

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

How does Chinese Gudgeon breed?

In the aquarium: cave or crevice spawner; the male guards the eggs. Subtle external differences.