海南马口鱲 (Opsariichthys hainanensis)

科: Cyprinidae

海南马口鱲为鲤科鱼类，基本和平的群居鱼，原生分布于中国。适应性强的物种，对新手错误较为宽容。成体约 7.9–11.7 cm，单养或小群均可，适宜水温 10–20 °C。稳水、换水、杂食，足矣。

饲养参数

水温: 10–20 °C
pH: 6.5–7.5
GH 硬度: 5–15 dGH
成体体长: 7.9–11.7 cm
最小缸体: 164 L
水层: Bottom-dwelling
饲养难度: 中等
性情: Mostly peaceful community fish
产地: 中国

物种概述

Opsariichthys hainanensis is a Cyprinidae from China. In the wild it prefers clear streams and rivers over gravel; in the aquarium it stays mostly peaceful community fish. Plan on 7.9–11.7 cm of adult fish at 10–20 °C. Related profiles: Opsariichthys bidens, Opsariichthys pachycephalus, Opsariichthys evolans.

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

海南马口鱲好养吗？

中等难度，稳定水质比高端设备更关键。Mostly peaceful community fish，Singly or in small groups depending on temperament。

海南马口鱲适合什么水温和水质？

保持 10–20 °C 并避免波动，pH 6.5–7.5、GH 5–15 dGH 即可。

海南马口鱲能长多大，需要多大的缸？

成体约 7.9–11.7 cm，属Bottom-dwelling鱼类，建议至少 164 L 缸体。

海南马口鱲吃什么？

Accepts quality flakes, granules and frozen foods。建议人工饲料搭配冷冻或活饵，保证多样性。

海南马口鱲能和其他鱼混养吗？

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。

海南马口鱲产自哪里？

分布于中国：Clear streams and rivers over gravel，Moderate, well-oxygenated current。

海南马口鱲会跳缸吗？

无明显跳缸倾向，常规缸盖即可。

海南马口鱲怎么繁殖？

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