Family: Cyprinidae
Zacco temminckii — a Cyprinidae from Japan. Reaches 26.2–38.5 cm; keep at 10–26 °C.
Zacco temminckii is a Cyprinidae from Japan. In the wild it prefers clear streams and rivers over gravel; in the aquarium it stays mostly peaceful. Plan on 26.2–38.5 cm of adult fish at 10–26 °C. Related profiles: Zacco platypus, Zacco sinensis, Zacco taliensis.
Intermediate difficulty. Mostly peaceful; some species nip fins; shoaling; keep in groups of 6 or more.
Hold 10–26 °C and keep it stable — 10–26 °C curated husbandry range. Room temperature to heated, depending on origin.
Full size is 26.2–38.5 cm. Minimum tank: 500 L, with open swimming space along its middle of the water column habits.
Omnivore; prepared foods with regular vegetable matter. Vary the menu — quality flakes or pellets plus frozen or live foods.
Mostly peaceful; some species nip fins; shoaling; keep in groups of 6 or more. Good company: Similar-sized peaceful community fish — Similar size and water needs. Keep away from Much smaller fish — May outcompete or bully tiny tankmates.
Its home waters are Japan — clear streams and rivers over gravel, with moderate, well-oxygenated current.
Low escape risk, but a lid is cheap insurance.
In the aquarium: egg-scatterer; no parental care. Males often slimmer and more colourful.