白甲鱼 (Onychostoma simum)

科: Cyprinidae

白甲鱼为鲤科鱼类，基本和平的群居鱼，原生分布于中国南方山溪河流。适应性强的物种，对新手错误较为宽容。成体约 31.1–45.7 cm，单养或小群均可，适宜水温 18–26 °C。稳水、换水、杂食，足矣。

饲养参数

水温: 18–26 °C
pH: 6.5–7.5
GH 硬度: 5–15 dGH
成体体长: 31.1–45.7 cm
最小缸体: 500 L
水层: Bottom-dwelling
饲养难度: 中等
性情: Mostly peaceful community fish
产地: 中国南方山溪河流

物种概述

A Cyprinidae species native to southern Chinese mountain streams: Onychostoma simum lives bottom-dwelling over gravel. Mostly peaceful community fish. Adults reach 31.1–45.7 cm. It is one of the aquarium-kept Onychostoma species we profile, alongside Onychostoma barbatulum, Onychostoma angustistomata, Onychostoma elongatum.

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: Singly or in small groups depending on temperament
食性: Accepts quality flakes, granules and frozen foods
推荐混养: Similar-sized peaceful community fish — Compatible size and temperament
避免混养: Fin-nippers — Constant stress

繁殖与备注

雌雄差异: Males often slimmer and more colourful
繁殖方式: Egg-scatterer; no parental care

常见问题

白甲鱼好养吗？

饲养难度：中等。Mostly peaceful community fish。

白甲鱼适合什么水温和水质？

建议水温 18–26 °C，18–26 °C typical for the genus；Room temperature to heated, depending on origin。

白甲鱼能长多大，需要多大的缸？

成体约 31.1–45.7 cm；最小缸体 500 L，并留出活动空间。

白甲鱼吃什么？

Accepts quality flakes, granules and frozen foods。它在Fine gravel and sand上自然觅食，投喂可少量多次。

白甲鱼能和其他鱼混养吗？

Mostly peaceful community fish；Singly or in small groups depending on temperament。理想混养对象：Similar-sized peaceful community fish — Compatible size and temperament。需避开Fin-nippers — Constant stress。

白甲鱼产自哪里？

原生于中国南方山溪河流，栖息于Clear streams and rivers over gravel。Moderate, well-oxygenated current，Appreciates well-oxygenated water。

白甲鱼会跳缸吗？

无明显跳缸倾向，常规缸盖即可。

白甲鱼怎么繁殖？

Egg-scatterer; no parental care。Males often slimmer and more colourful。