Active but not aggressive; territorial among males
原産地
East China — mountain streams of the lower Yangtze
種の概要
The pale chub is the emblem of China's mountain streams — torpedo-fast, marble-flanked, and hung with blue-green bars. It is a river fish first and an aquarium fish second: only a long, well-oxygenated tank with honest current keeps it in condition.
原生環境
生息地
Fast, clear, oxygen-rich creeks
水流
Strong; a powerhead is essential
溶存酸素
Demands high dissolved oxygen
レイアウトと設備
底床
River sand and pebble mix
流木・石組
Large water-worn boulders that break the flow
水草
Hardy species like Cryptocoryne anchored to stones
性格・餌・混泳
群泳性
3+ with space to dart
餌
Carnivore; insect larvae, frozen and live foods
おすすめの混泳相手
Hillstream loach — Shares the current zone
White cloud minnow — Tolerates the same cool water
Amur goby — Another stream specialist
混泳しないほうがいい相手
Slow long-finned fish — Constant stress from traffic
Warm-water species — Temperature mismatch
Small shrimp — Eaten promptly
繁殖と注意点
雌雄の違い
Males show taller bodies and brighter marriage colors; females are larger and plainer
繁殖方法
Broadcast spawner over gravel in flowing water; rarely achieved in home aquaria.