拉氏假鳃鳉 (Nothobranchius rachovii)

科: Nothobranchiidae

拉氏假鳃鳉为假鳃鳉科鱼类,安静的表层鱼,不耐粗鲁同缸,原生分布于非洲。短命策略的 annual 鳉鱼:在自然中水池会消失,因此速生速死、以卵渡旱。成体约 4.9–7.2 cm,小群饲养,浮水草丛提供庇护,适宜水温 22–25 °C。要留后代,就收卵。

饲养参数

水温
22–25 °C
pH
6–7.2
GH 硬度
5–12 dGH
成体体长
4.9–7.2 cm
最小缸体
62 L
水层
Middle of the water column
饲养难度
中等
性情
Calm surface-dweller that dislikes rough company
产地
非洲

物种概述

Nothobranchius rachovii is a Nothobranchiidae from Africa. In the wild it prefers warm freshwater streams and lakes; in the aquarium it stays calm surface-dweller that dislikes rough company. Plan on 4.9–7.2 cm of adult fish at 22–25 °C. In a community tank it pairs well with Other gentle surface 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
Small groups with floating plants for cover
食性
Carnivore that prefers live and frozen foods
推荐混养
  • Other gentle surface fish — Share the quiet upper water
避免混养
  • Uncovered tanks — They jump to their doom

繁殖与备注

雌雄差异
Subtle external differences
繁殖方式
Annual or semi-annual egg-layer; eggs rest in damp substrate

常见问题

拉氏假鳃鳉好养吗?

中等难度,稳定水质比高端设备更关键。Calm surface-dweller that dislikes rough company,Small groups with floating plants for cover。

拉氏假鳃鳉适合什么水温和水质?

水温控制在 22–25 °C,重点是稳定。Stable temperature matching the species origin。

拉氏假鳃鳉能长多大,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。

拉氏假鳃鳉吃什么?

Carnivore that prefers live and frozen foods。它在Fine sand and gravel上自然觅食,投喂可少量多次。

拉氏假鳃鳉能和其他鱼混养吗?

Calm surface-dweller that dislikes rough company;Small groups with floating plants for cover。理想混养对象:Other gentle surface fish — Share the quiet upper water。需避开Uncovered tanks — They jump to their doom。

拉氏假鳃鳉产自哪里?

原生于非洲,栖息于Warm freshwater streams and lakes。Still to gentle current,Moderate oxygen levels。

拉氏假鳃鳉会跳缸吗?

无明显跳缸倾向,常规缸盖即可。

拉氏假鳃鳉怎么繁殖?

人工环境下:Annual or semi-annual egg-layer; eggs rest in damp substrate。Subtle external differences。