红莲灯 (Paracheirodon axelrodi)

科: Characidae

红莲灯为脂鲤科鱼类，和平但胆小，裸缸强光下易紧张，原生分布于南美洲及菲律宾。体色是诚实的状态信号：发色差、分散就是在告诉你哪里不对。成体约 2.2–3.3 cm，群游性，8–10 尾以上体色与状态最佳，适宜水温 23–27 °C。群要大，光要柔。

饲养参数

水温: 23–27 °C
pH: 4–6
GH 硬度: 5–12 dGH
成体体长: 2.2–3.3 cm
最小缸体: 25 L
水层: Middle of the water column
饲养难度: 中等
性情: Peaceful but shy in bare or bright tanks
产地: 南美洲（奥里诺科河流域）

物种概述

Paracheirodon axelrodi is a Characidae from Orinoco basin, South America. In the wild it prefers blackwater streams and flooded forest; in the aquarium it stays peaceful but shy in bare or bright tanks. Plan on 2.2–3.3 cm of adult fish at 23–27 °C. Related profiles: Paracheirodon innesi, Paracheirodon simulans.

原生生境

栖息地: Blackwater streams and flooded forest
水流: Still to gentle current
溶氧: Moderate

造景与硬件

底床: Dark sand and leaf litter
硬景观: Driftwood and dense plant edges
水草: Floating and shaded plants appreciated

性格食性与混养

群游性: Shoaling; 8–10+ unlocks full colour and calm
食性: Unfussy; a varied small diet preserves colour
推荐混养: Small Corydoras — Share the lower water peacefully
避免混养: Large or predatory fish — Tetras are snacks

繁殖与备注

雌雄差异: Subtle; females fuller-bodied
繁殖方式: Scatters eggs among plants; light-proof the setup or add mops

常见问题

红莲灯好养吗？

饲养难度：中等。Peaceful but shy in bare or bright tanks。

红莲灯适合什么水温和水质？

保持 23–27 °C 并避免波动，pH 4–6、GH 5–12 dGH 即可。

红莲灯能长多大，需要多大的缸？

成体约 2.2–3.3 cm，属Middle of the water column鱼类，建议至少 25 L 缸体。

红莲灯吃什么？

Unfussy; a varied small diet preserves colour。建议人工饲料搭配冷冻或活饵，保证多样性。

红莲灯能和其他鱼混养吗？

Peaceful but shy in bare or bright tanks；Shoaling; 8–10+ unlocks full colour and calm。理想混养对象：Small Corydoras — Share the lower water peacefully。需避开Large or predatory fish — Tetras are snacks。

红莲灯产自哪里？

分布于南美洲（奥里诺科河流域）：Blackwater streams and flooded forest，Still to gentle current。

红莲灯会跳缸吗？

跳缸风险低，但加缸盖更稳妥。

红莲灯怎么繁殖？

人工环境下：Scatters eggs among plants; light-proof the setup or add mops。Subtle; females fuller-bodied。