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泉水斑马鱼 · Fireline Devario

泉水斑马鱼

概要

字段值
类别鱼
学名Devario sondhii
别名泉水斑馬魚、Danio sondhii、Brachydanio sondhii
分类鲤形目 Cypriniformes › 鲤科 Cyprinidae › Devario
水体淡水
原产地缅甸
成体体长4.5 cm
饲养难度中等
最小水体68 L
最小缸长75 cm
群居方式群游
性情温和
特征会跳缸: 是
外部数据seriouslyfish devario-sondhii;fishbase 24371

水质参数

参数耐受范围最适范围单位
水温20–26—°C
pH6.5–7.5——
总硬度1–5—dGH

概述

泉水斑马鱼(Devario sondhii)是适合茂密水草环境的温和小型群游鱼,偶尔会受惊乱窜,跳跃能力很强。鳃盖后方的深色小斑是区别于部分相似鱼的重要线索。

分布与栖息地

已知模式产地在缅甸掸邦南部和榜附近的泉水。当地泉水因农业蓄水形成常年淹水草地,水浅、清澈,沉水植物繁茂,海拔约 1040 m。更广泛的本种分布尚未明确,不能直接把邻近其他鱼的范围套用过来。

饲养环境

适合水草茂密的缸,浮水植物可柔化光线。水流无需强劲,也能适应有水流的溪流式布置,但要避免激流。必须使用成熟过滤系统,不宜放入新开缸;它不耐有机污染积累,应每周换水约三成至一半。缸盖要严密贴合,尤其注意受惊时跳出。

食性与喂食

野外可能以昆虫和幼虫为主。人工环境通常容易喂食,优质干粮可作基础,定期轮换红虫、水蚤、丰年虾等小型活饵与冷冻饵。

习性与混养

可与环境需求一致的小型温和鲤科鱼同养,在溶氧足够的环境中,适合的小型鳅、鲶、虾虎及淡水虾也可考虑。建议八至十尾成群,数量足够时更安定,雄鱼求偶竞争也有助于显色。

雌雄区分

成熟雌鱼一般腹部较圆、略大,体色较淡。

繁殖

可参考同属散卵鱼的做法,另设弱光、成熟水和温和增氧的繁殖缸,以细叶水草、产卵拖把或网格保护卵。放入调养好的一两对亲鱼,产卵后移出;约两天仍未见产卵时也可移出检查。鱼苗先吃草履虫等细小开口饵,成长后改喂微虫、丰年虾幼体和细粉饲料。

补充说明

外形与同产地一些微型鱼相似,早期商品鉴定曾有混淆。核对鳃盖后方深斑和整体体形,比只看橙色或商品名更有帮助。

图片

图片来自 SeriouslyFish,版权归各摄影者所有。

泉水斑马鱼
D. sonhdii can be distinguished from similar-looking species by the dark cleithral spot behind the gill opening. · 摄影:Enrico Richter
泉水斑马鱼
栖息地 · This species occurs naturally at the type locality of Celestichthys margaritatus, Shan state, eastern Myanmar. · 摄影:Ye Hein Htet
泉水斑马鱼
Specimen from the German aquarium trade. · 摄影:Enrico Richter
泉水斑马鱼
Specimen from the Danish aquarium trade. · 摄影:Unimati.dk
泉水斑马鱼
The cleithral spot can appear less intense depending on the angle and quality of light hitting the fish. Here faded... · 摄影:Mark Duffill
泉水斑马鱼
...and here very distinct. · 摄影:Mick Wright
泉水斑马鱼
Like others in the genus this species is best maintained in a group. · 摄影:Mark Duffill
泉水斑马鱼
Specimen from the aquarium trade. · 摄影:Rupert Collins
English

Overview

Peaceful and well suited to dense planting, Devario sondhii is nevertheless prone to sudden nervous dashes and strong jumps. A dark mark immediately behind the gill opening provides a useful clue when separating it from superficially similar small fishes.

Distribution & habitat

The type locality is a spring near Hopong in southern Shan State, Myanmar. Agricultural damming created a permanently flooded grassy area with shallow, transparent water and abundant aquatic plants at roughly 1,040 m elevation. Wider distribution details remain uncertain and should not be inferred from neighboring species.

Aquarium setup

Dense planting and floating cover suit the fish. Strong flow is unnecessary; a stream-style arrangement is possible provided it avoids torrent conditions. Use a biologically established aquarium, prevent organic waste accumulation and replace around a third to half of the water weekly. Fit a very secure cover, especially important during bouts of nervous behavior.

Diet & feeding

Insects and larvae probably supply most natural food. Captive feeding is usually uncomplicated. Supplement a good prepared staple with varied small live or frozen foods.

Behaviour & compatibility

Small peaceful cyprinids with matching needs make suitable companions. Appropriate small loaches, catfishes, gobies and freshwater shrimp may also work where oxygenation is sufficient. Keep eight to ten or more together for confidence and natural male courtship displays.

Sexual dimorphism

Mature females are expected to be slightly larger, fuller-bellied and less colorful.

Breeding

General devario egg-scattering techniques offer a starting point: a separate dim aquarium with mature water, gentle aeration and fine plants, mops or mesh to shelter eggs. Introduce conditioned pairs and remove them after spawning, or after about two days if spawning was not observed. Microscopic first foods precede larger live foods and fine powders as the fry grow.

Notes

Early trade identifications confused it with other small fishes, including species from the same area. The dark mark behind the gill cover and overall form are more useful than orange coloration or a trade label alone.

来源

ID: devario-sondhii · 文件: data/species/devario-sondhii.md · 状态: 草稿