黑线小精灵 (Macrotocinclus affinis)

科: Loricariidae

黑线小精灵为甲鲶科鱼类，白天低调，入夜才开始忙碌，原生分布于南美洲（巴西）。夜行底栖者，灯灭之后才是它一天的开始。成体约 6.8–10 cm，视体型单养或小群，底栖密度宜低，适宜水温 20–26 °C。沉底饲料，关灯后再喂。

饲养参数

水温: 20–26 °C
pH: 6–7.5
GH 硬度: 5–18 dGH
成体体长: 6.8–10 cm
最小缸体: 120 L
水层: Middle of the water column
饲养难度: 中等
性情: Peaceful giant of the bottom, indifferent to mid-water life
产地: 南美洲（巴西）

物种概述

A Loricariidae species native to Brazil, South America: Macrotocinclus affinis lives middle of the water column over warm freshwater streams and lakes. Peaceful giant of the bottom, indifferent to mid-water life. Adults reach 6.8–10 cm. In a community tank it pairs well with Other similar-sized bottom fish.

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: Singly or in small groups depending on species size
食性: Opportunistic bottom-feeder with a broad palate
推荐混养: Other similar-sized bottom fish — Share the floor peaceably
避免混养: Tiny fish that fit in its mouth — Vanish at night

繁殖与备注

雌雄差异: Subtle external differences
繁殖方式: Egg-depositing in hollows; some guard, some abandon

常见问题

黑线小精灵好养吗？

饲养难度：中等。Peaceful giant of the bottom, indifferent to mid-water life。

黑线小精灵适合什么水温和水质？

保持 20–26 °C 并避免波动，pH 6–7.5、GH 5–18 dGH 即可。

黑线小精灵能长多大，需要多大的缸？

成体约 6.8–10 cm，属Middle of the water column鱼类，建议至少 120 L 缸体。

黑线小精灵吃什么？

Opportunistic bottom-feeder with a broad palate。它在Fine sand and gravel上自然觅食，投喂可少量多次。

黑线小精灵能和其他鱼混养吗？

Peaceful giant of the bottom, indifferent to mid-water life。推荐混养：Other similar-sized bottom fish — Share the floor peaceably。避免与Tiny fish that fit in its mouth — Vanish at night同缸。

黑线小精灵产自哪里？

产地为南美洲（巴西），典型栖息地是Warm freshwater streams and lakes，对溶氧要求一般。

黑线小精灵会跳缸吗？

跳缸风险低，但加缸盖更稳妥。

黑线小精灵怎么繁殖？

人工环境下：Egg-depositing in hollows; some guard, some abandon。Subtle external differences。