Dwarf Topmouth Gudgeon — a Cyprinidae from Japan, calm, undemanding and well-suited to community life. Reaches 9.4–13.8 cm; small groups recommended. 5–22 °C.
Care parameters
Water temperature
5–22 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
9.4–13.8 cm
Minimum tank
229 L
Water layer
Active throughout the water column
Difficulty
Moderate
Temperament
Calm, undemanding and well-suited to community life
Origin
Japan
Species overview
Pseudorasbora pumila, a member of the family Cyprinidae, is native to Japan. Its calm temperament and broad diet make it one of the more forgiving residents of a community tank. It uses the whole water column. Adults reach 9.4–13.8 cm. Small groups recommended. Stable water, regular partial changes and a varied diet cover nearly everything it needs. Maintain 5–22 °C at pH 6.5–7.5. Water quality and diet matter more than décor.
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