吕氏鳍半齿脂鲤
概要
| 字段 | 值 |
|---|---|
| 类别 | 鱼 |
| 学名 | Hemiodus atranalis |
| 别名 | 鳍半齿脂鲤、呂氏鰭半齒脂鯉、鰭半齒脂鯉 |
| 分类 | 脂鲤目 Characiformes › 半齿脂鲤科 Hemiodontidae › Hemiodus |
| 水体 | 淡水 |
| 成体体长 | 9 cm |
| 饲养难度 | 中等 |
| 最小水体 | 108 L |
| 最小缸长 | 120 cm |
| 群居方式 | 群游 |
| 性情 | 温和 |
| 外部数据 | seriouslyfish hemiodus-atranalis;fishbase 51226 |
| 原产地 | 圭亚那、秘鲁、巴西 |
| 特征 | 会跳缸: 是 |
水质参数
| 参数 | 耐受范围 | 最适范围 | 单位 |
|---|---|---|---|
| 水温 | 23–27 | — | °C |
| pH | 6–7 | — | — |
| 总硬度 | 3–12 | — | dGH |
概述
吕氏鳍半齿脂鲤（Hemiodus atranalis）是一种活跃的群游脂鲤，刚入缸时可能相当胆怯。宽敞空间、足够同伴和浮水植物能帮助适应；它有很强的跳跃能力，温和性情并不意味着可不加盖。
分布与栖息地
分布在圭亚那、秘鲁和巴西，天然栖地包括洪泛平原上的河流与湖泊。
饲养环境
至少参考 120 × 30 × 30 厘米。可用惰性细砂搭配散放枝根，也能养在种植较完整的水草缸中，浮水植物有助于减轻受惊反应。保持高溶氧、严密加盖，并严格维护水质，本种不耐脏水。
食性与喂食
通常不挑食，多数活饵、冷冻饵和干饲料都能接受。据报道天然食物中植物成分相当多，日常应安排一定比例的蔬菜或植物性饵料，不要只投动物性食物。
习性与混养
性情很温和，但体型和活跃程度会让更小或特别安静的鱼感到压力。适合与相近体型的脂鲤、温和慈鲷和鲶类搭配，必须群养。刚入缸的紧张通常随时间减轻，同伴较多时更容易稳定。
雌雄区分
成熟雌鱼可能腹部更圆，但这一点不能作为可靠的单独鉴别标准。
繁殖
可能采用散卵方式，但人工繁殖成功的记录尚未确认。
图片
图片来自 SeriouslyFish,版权归各摄影者所有。
English
Overview
An active schooling characin, Hemiodus atranalis may initially be very nervous. Space, companions, and floating cover help it settle. Its peaceful disposition does not remove the need for a secure lid, since it can jump considerable distances.
Distribution & habitat
It occurs in Guyana, Peru, and Brazil, inhabiting rivers and lakes on floodplains.
Aquarium setup
Suggested housing begins at 120 by 30 by 30 cm. Inert sand and scattered branches suit a simple arrangement, while a fully planted tank is also suitable. Floating plants reduce nervousness. Maintain high oxygen levels, fit the cover securely, and keep water quality consistently good.
Diet & feeding
Most live, frozen, and dry foods are accepted. Reports describe substantial plant material in the wild diet, so include green foods regularly alongside other suitable offerings.
Behaviour & compatibility
Although peaceful, its size and activity may unsettle much smaller or quieter fish. Similarly sized characins, placid cichlids, and catfish are possible companions. Maintain a group; initial nervousness generally eases with time, especially among numerous conspecifics.
Sexual dimorphism
Mature females may develop a rounder abdomen, though this is not a reliable standalone sexing method.
Breeding
It may scatter its eggs, but this does not provide an established captive breeding procedure.
来源
- https://www.seriouslyfish.com/species/hemiodus-atranalis(抓取于 2026-10-10)
hemiodus-atranalis · 文件: data/species/hemiodus-atranalis.md · 状态: 草稿