哈里森铅笔 (Nannostomus harrisoni)

科: Lebiasinidae

哈里森铅笔为鳉脂鲤科鱼类，温和的 mid-water 群游鱼，数量越多越自信，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 3.4–5 cm，至少 8 尾，越多越好，适宜水温 24–28 °C。群要大，光要柔。

饲养参数

水温: 24–28 °C
pH: 5.5–7
GH 硬度: 5–19 dGH
成体体长: 3.4–5 cm
最小缸体: 30 L
水层: Bottom-dwelling
饲养难度: 中等
性情: Peaceful mid-water shoaler; confidence comes in numbers
产地: 南美洲

物种概述

Nannostomus harrisoni is a Lebiasinidae from South America. In the wild it prefers warm freshwater streams and lakes; in the aquarium it stays peaceful mid-water shoaler. Plan on 3.4–5 cm of adult fish at 24–28 °C. Related profiles: Nannostomus beckfordi, Nannostomus eques, 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: Groups of 8 minimum; more is visibly better
食性: Small omnivore; quality flakes and small frozen foods
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: Typical egg-scattering characin; adults eat the eggs

常见问题

哈里森铅笔好养吗？

适合有一定经验的玩家。Peaceful mid-water shoaler; confidence comes in numbers；Groups of 8 minimum; more is visibly better。

哈里森铅笔适合什么水温和水质？

水温控制在 24–28 °C，重点是稳定。Stable temperature matching the species origin。

哈里森铅笔能长多大，需要多大的缸？

成体约 3.4–5 cm，属Bottom-dwelling鱼类，建议至少 30 L 缸体。

哈里森铅笔吃什么？

Small omnivore; quality flakes and small frozen foods。它在Fine sand and gravel上自然觅食，投喂可少量多次。

哈里森铅笔能和其他鱼混养吗？

可以。Peaceful mid-water shoaler; confidence comes in numbers，适合与Small Corydoras — Share the lower water peacefully混养。避开Large or predatory fish — Tetras are snacks。

哈里森铅笔产自哪里？

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

哈里森铅笔会跳缸吗？

换水与维护期间建议加盖，防止惊跳。

哈里森铅笔怎么繁殖？

人工环境下：Typical egg-scattering characin; adults eat the eggs。Subtle external differences。