马口鱼 (Opsariichthys uncirostris)

科: Cyprinidae

马口鱼为Cyprinidae鱼类，原生分布于日本及欧洲。成体约 33.3–48.8 cm，适宜水温 10–22 °C。

饲养参数

水温: 10–22 °C
pH: 6.5–7.5
GH 硬度: 5–15 dGH
成体体长: 33.3–48.8 cm
最小缸体: 500 L
水层: Bottom-dwelling
饲养难度: 中等
性情: Mostly peaceful; some species nip fins
产地: 日本及欧洲

物种概述

A Cyprinidae species native to Japan and Europe: Opsariichthys uncirostris lives bottom-dwelling over gravel. Mostly peaceful; some species nip fins. Adults reach 33.3–48.8 cm. It is one of the aquarium-kept Opsariichthys species we profile, alongside 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: Shoaling; keep in groups of 6 or more
食性: Omnivore; prepared foods with regular vegetable matter
推荐混养: Similar-sized peaceful community fish — Similar size and water needs
避免混养: Much smaller fish — May outcompete or bully tiny tankmates

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

马口鱼好养吗？

饲养难度：中等。Mostly peaceful; some species nip fins。

马口鱼适合什么水温和水质？

水温控制在 10–22 °C，重点是稳定。Room temperature to heated, depending on origin。

马口鱼能长多大，需要多大的缸？

成体约 33.3–48.8 cm，属Bottom-dwelling鱼类，建议至少 500 L 缸体。

马口鱼吃什么？

Omnivore; prepared foods with regular vegetable matter。建议人工饲料搭配冷冻或活饵，保证多样性。

马口鱼能和其他鱼混养吗？

可以。Mostly peaceful; some species nip fins，适合与Similar-sized peaceful community fish — Similar size and water needs混养。避开Much smaller fish — May outcompete or bully tiny tankmates。

马口鱼产自哪里？

分布于日本及欧洲：Clear streams and rivers over gravel，Moderate, well-oxygenated current。

马口鱼会跳缸吗？

无明显跳缸倾向，常规缸盖即可。

马口鱼怎么繁殖？

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