黑线波鱼 (Rasbora borapetensis)

饲养参数

水温

22–26 °C

pH

6.5–7

GH 硬度

5–15 dGH

成体体长

7.5–11 cm

最小缸体

145 L

水层

Bottom-dwelling

饲养难度

中等

性情

Peaceful and energetic; shy only when kept too few

产地

东南亚湄公河流域

物种概述

From the waters of Mekong basin, SE Asia comes Rasbora borapetensis, a member of the family Cyprinidae. A restless micropredator of the surface film, evolved for open, sunlit water. It lives on the bottom. Adults reach 7.5–11 cm. Shoaling; 8–10+ for constant motion and confidence. Generous swimming room, a big school and clean water cover nearly all of its care. Maintain 22–26 °C at pH 6.5–7. A solid choice for a well-planned community tank.

原生生境

栖息地

Clear streams and rivers over gravel

水流

Moderate, well-oxygenated current

溶氧

Appreciates well-oxygenated water

造景与硬件

底床

Fine gravel and sand

硬景观

Water-worn stones and driftwood

水草

Hardy rooted plants along the margins

性格食性与混养

群游性

Shoaling; 8–10+ for constant motion and confidence

食性

Omnivore; accepts everything small enough

推荐混养

• Other danios and small rasboras — Form a fast, peaceful upper-water school

避免混养

• Slow, timid fish — Outcompeted at the surface

繁殖与备注

雌雄差异

Males often slimmer and more colourful

繁殖方式

Spawns at dawn over fine plants; eggs fall to the bottom