铅笔鱼 (Nannostomus eques)

科: Lebiasinidae

铅笔鱼为鳉脂鲤科鱼类,性情温和,数量过少会神经质,原生分布于南美洲。中上层群游鱼,体色与胆量随群体一起到来。成体约 3.8–5.5 cm,群体紧密,切忌少于 6 尾,适宜水温 23–28 °C。群要大,光要柔。

饲养参数

水温
23–28 °C
pH
5–6
GH 硬度
5–12 dGH
成体体长
3.8–5.5 cm
最小缸体
36 L
水层
Bottom-dwelling
饲养难度
中等
性情
Gentle, slightly skittish when kept too few
产地
南美洲

物种概述

Lebiasinidae species Nannostomus eques comes from 南美洲. A mid-water shoaler whose colour and courage arrive together, with the group. It lives on the bottom. Adults reach 3.8–5.5 cm. Schools tightly; never keep below 6. Dark substrate, gentle light, big school — the three levers for this fish. Maintain 23–28 °C at pH 5–6. Water quality and diet matter more than décor.

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
Schools tightly; never keep below 6
食性
Mid-water omnivore; colour foods keep the red honest
推荐混养
  • Other small peaceful tetras and rasboras — Form a mixed, calm mid-water mass
避免混养
  • Single-species isolation — A lone tetra is a stressed tetra

繁殖与备注

雌雄差异
Subtle external differences
繁殖方式
Egg-scatterer over fine plants; no parental care