红肚铅笔 (Nannostomus beckfordi)

科: Lebiasinidae

红肚铅笔为鳉脂鲤科鱼类，和平但胆小，裸缸强光下易紧张，原生分布于南美洲。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 4.9–7.2 cm，群游性，8–10 尾以上体色与状态最佳，适宜水温 24–26 °C。群要大，光要柔。

饲养参数

水温: 24–26 °C
pH: 6–8
GH 硬度: 5–19 dGH
成体体长: 4.9–7.2 cm
最小缸体: 62 L
水层: Bottom-dwelling
饲养难度: 中等
性情: Peaceful but shy in bare or bright tanks
产地: 南美洲

物种概述

A Lebiasinidae species native to South America: Nannostomus beckfordi lives bottom-dwelling over warm freshwater streams and lakes. Peaceful but shy in bare or bright tanks. Adults reach 4.9–7.2 cm. It is one of the aquarium-kept Nannostomus species we profile, alongside Nannostomus eques, Nannostomus harrisoni, Nannostomus marginatus.

原生生境

栖息地: Warm freshwater streams and lakes
水流: Still to gentle current
溶氧: Moderate oxygen levels

造景与硬件

底床: Fine sand and gravel
硬景观: Driftwood and smooth stones
水草: Hardy common aquarium plants

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 external differences
繁殖方式: Scatters eggs among plants; light-proof the setup or add mops

常见问题

红肚铅笔好养吗？

适合有一定经验的玩家。Peaceful but shy in bare or bright tanks；Shoaling; 8–10+ unlocks full colour and calm。

红肚铅笔适合什么水温和水质？

建议水温 24–26 °C，24–26 °C recorded range；Stable temperature matching the species origin。

红肚铅笔能长多大，需要多大的缸？

成体约 4.9–7.2 cm；最小缸体 62 L，并留出活动空间。

红肚铅笔吃什么？

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。

红肚铅笔能和其他鱼混养吗？

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。

红肚铅笔产自哪里？

原生于南美洲，栖息于Warm freshwater streams and lakes。Still to gentle current，Moderate oxygen levels。

红肚铅笔会跳缸吗？

跳缸风险低，但加缸盖更稳妥。

红肚铅笔怎么繁殖？

Scatters eggs among plants; light-proof the setup or add mops。Subtle external differences。