头尾灯 (Hemigrammus ocellifer)

科: Characidae

头尾灯为脂鲤科鱼类,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。中上层群游鱼,体色与胆量随群体一起到来。成体约 3.7–5.4 cm,群游性,8–10 尾以上体色与状态最佳,适宜水温 22–26 °C。群要大,光要柔。

饲养参数

水温
22–26 °C
pH
6–8
GH 硬度
5–19 dGH
成体体长
3.7–5.4 cm
最小缸体
35 L
水层
Bottom-dwelling
饲养难度
中等
性情
Peaceful but shy in bare or bright tanks
产地
南美洲及菲律宾

物种概述

Characidae species Hemigrammus ocellifer comes from 南美洲及菲律宾. A mid-water shoaler whose colour and courage arrive together, with the group. It lives on the bottom. Adults reach 3.7–5.4 cm. Shoaling; 8–10+ unlocks full colour and calm. Dark substrate, gentle light, big school — the three levers for this fish. Maintain 22–26 °C at pH 6–8. A rewarding species for the aquarist who reads before buying.

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
  • 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; females fuller-bodied
繁殖方式
Scatters eggs among plants; light-proof the setup or add mops