豹纹兵鲶 · Julii Cory
概要
| 字段 | 值 |
|---|---|
| 类别 | 鱼 |
| 学名 | Hoplisoma julii |
| 别名 | 豹紋兵鯰、Corydoras julii |
| 分类 | 鲶形目 Siluriformes › 美鲶科 Callichthyidae › Hoplisoma |
| 水体 | 淡水 |
| 原产地 | 巴西 |
| 成体体长 | 5.5 cm |
| 饲养难度 | 入门 |
| 最小水体 | 81 L |
| 最小缸长 | 90 cm |
| 群居方式 | 群游 |
| 性情 | 温和 |
| 外部数据 | seriouslyfish hoplisoma-julii;fishbase 10923 |
| 食性 | 杂食 |
| 繁殖方式 | 附着产卵 |
水质参数
| 参数 | 耐受范围 | 最适范围 | 单位 |
|---|---|---|---|
| 水温 | 20–26 | — | °C |
| pH | 5.5–7.5 | — | — |
| 总硬度 | 2–12 | — | dGH |
概述
豹纹兵鲶（Hoplisoma julii）常与上亚马逊的三线花纹鼠鱼混淆，许多同名商品鱼实际属于相似种。头部独立小斑点虽是传统辨认线索，却不能脱离产地和整体花纹单独判断。
分布与栖息地
原生巴西东北部沿海水系，记录涉及皮奥伊、马拉尼昂、帕拉与阿马帕等州。模式地点在巴纳伊巴河附近溪流；法属圭亚那与巴西西部的记录似源于误认。
饲养环境
底面积至少约 90 × 30 厘米，使用细沙，或保持十分清洁的圆滑砾石。提供遮蔽让同种群体有安全感。
食性与喂食
杂食，投喂下沉干粮并搭配小型活冷冻饵，维持多样食谱。不能只让它等其他鱼的残饵，也不能依靠它清洁鱼缸。
习性与混养
温和而合群，至少四至六尾一起饲养较合适。
雌雄区分
成年雌鱼通常更大，体躯更宽、体高更高。
繁殖
可采用鼠鱼常见方法，一雌配两雄或更多雄鱼。抱卵明显后偏凉水换约 50%～70%，并增氧和加强水流。卵可黏在玻璃、细叶植物或沉底拖把上，产后分开亲鱼与卵，使用原缸水充氧孵育并注意霉卵。通常约三至四天孵化，卵黄吸收后喂微虫或丰年虾无节幼体。薄沙底育苗似比裸底更少出问题，水质须保持优良。
补充说明
相似的 H. trilineatum 头部通常为蠕虫状纹，但部分个体也有独立斑点，因此缺少准确产地时不易分清。偶尔上浮吞气用于辅助呼吸；胸鳍硬棘能刺伤，基部腺体分泌物可能有轻微毒性，搬动应小心。
图片
图片来自 SeriouslyFish,版权归各摄影者所有。
English
Overview
Many fishes sold as Hoplisoma julii belong to a similar upper-Amazon species. Distinct small head spots are a traditional clue, but identification should combine locality and overall pattern rather than rely on that feature alone.
Distribution & habitat
It is native to northeastern Brazilian coastal drainages, with records in Piauí, Maranhão, Pará, and Amapá. The type locality is a creek near the Parnaíba River. Reports from French Guiana and western Brazil appear to involve misidentification.
Aquarium setup
Use at least a 90 by 30 cm footprint with fine sand or carefully maintained rounded gravel. Add cover for the group’s security.
Diet & feeding
Feed sinking prepared foods and varied small live or frozen supplements directly. This omnivore should not be expected to live on community leftovers or maintain substrate cleanliness.
Behaviour & compatibility
Keep at least four to six together to support its peaceful social behavior.
Sexual dimorphism
Mature females tend to be larger, broader, and deeper-bodied than males.
Breeding
Use at least two males per female. Once females are gravid, a 50–70% cooler-water change with increased flow and oxygenation can stimulate spawning. Eggs attach to glass, fine plants, or submerged mops. Separate eggs from adults and incubate in aerated water from the spawning tank, watching for fungus. Hatching usually takes three to four days, followed by small live foods after yolk absorption. Excellent water quality is essential, and thin sand appears beneficial for rearing compared with bare glass.
Notes
The look-alike H. trilineatum usually has wormlike head markings, but some individuals are spotted too. Collection details therefore remain valuable. Occasional surface gulps supplement respiration. Pectoral spines can puncture skin, and associated secretions may be mildly toxic, requiring careful handling.
来源
- https://www.seriouslyfish.com/species/hoplisoma-julii(抓取于 2026-10-10)
hoplisoma-julii · 文件: data/species/hoplisoma-julii.md · 状态: 草稿