卡拉氏兵鲶
概要
| 字段 | 值 |
|---|---|
| 类别 | 鱼 |
| 学名 | Hoplisoma carlae |
| 别名 | 卡拉氏兵鯰、Corydoras carlae |
| 分类 | 鲶形目 Siluriformes › 美鲶科 Callichthyidae › Hoplisoma |
| 水体 | 淡水 |
| 原产地 | 阿根廷 |
| 成体体长 | 4.5 cm |
| 饲养难度 | 中等 |
| 群居方式 | 群游 |
| 性情 | 温和 |
| 外部数据 | seriouslyfish hoplisoma-carlae;fishbase 46052 |
| 食性 | 杂食 |
水质参数
| 参数 | 耐受范围 | 最适范围 | 单位 |
|---|---|---|---|
| 水温 | 15–22 | — | °C |
| pH | 6.5–8 | — | — |
| 总硬度 | 3–15 | — | dGH |
概述
卡拉氏兵鲶(Hoplisoma carlae)来自阿根廷伊瓜苏河地区,是温和群居的鼠鱼。它需要稳定、洁净的流水环境,不能直接放入过滤尚未成熟的新缸。
分布与栖息地
为阿根廷北部米西奥内斯省伊瓜苏河下游特有,似乎主要在伊瓜苏瀑布上游的小支流。影像中的栖地水浅、清澈、流速较快,岸边植被茂密,局部有沉水植物。自然水量、水流、浑浊度、水质和温度会随季节变化。
饲养环境
底床以细砂较好,也可用保持清洁的圆滑砾石。提供遮蔽物,并维持干净、稳定的水况和成熟的过滤系统。野外存在季节变化,不代表可以在缸中随意制造剧烈波动。
食性与喂食
杂食,沉底干粮可搭配红虫、水蚯蚓等小型活饵和冷冻饵料。保证食物多样并真正到达鱼群,不能靠上层鱼吃剩的残饵饲养。
习性与混养
温和且群居,至少四至六条同种一起养。混养安排应兼顾它对水况稳定和正常摄食的需求,不能把它当作无需专门照顾的清洁鱼。
雌雄区分
雌鱼通常较大,成熟后更宽圆,怀卵时差别更明显。
补充说明
体侧中央有两个较大但边缘不清楚的暗斑,是与多数相似鼠鱼比较时的线索。其他近缘鱼也可能有双斑,应同时比较斑块清晰程度与整体体形。
它能偶尔到水面吞气辅助呼吸,胸鳍硬刺则可能挂网、刺伤皮肤。转移时应避免硬刺被网眼缠住,不能因体型小就徒手紧握。
图片
图片来自 SeriouslyFish,版权归各摄影者所有。



English
Overview
Hoplisoma carlae is a peaceful social catfish from the Iguazu region of Argentina. Clean, stable conditions are especially important, and it should not be introduced into an aquarium with an immature biological filter.
Distribution & habitat
Endemic to the lower Iguazu in northern Argentina's Misiones province, it appears concentrated in small tributaries above Iguazu Falls. Images show shallow, clear, fast-flowing water with dense bankside vegetation and patches of submerged plants. Natural conditions vary seasonally in water volume, current, turbidity, chemistry, and temperature.
Aquarium setup
Use fine sand or carefully cleaned rounded gravel, with cover for security. Maintain clean, stable water and a mature filter. Seasonal variation in the wild should not be interpreted as tolerance of arbitrary abrupt changes in an aquarium.
Diet & feeding
Offer an omnivorous mix of sinking dry foods and small live or frozen items such as bloodworms and Tubifex. Variety and reliable delivery to the group matter. Leftovers from upper-water fishes are not an adequate diet.
Behaviour & compatibility
Keep at least four to six conspecifics together. Its peaceful group behavior does not remove the need to consider water quality and feeding access when choosing companions. It should not be treated merely as a maintenance fish.
Sexual dimorphism
Females generally grow larger, becoming broader and rounder at maturity, particularly when carrying eggs.
Notes
Two large, indistinct dark blotches around midbody provide a useful comparison with similar species. Other relatives can also show paired blotches, so consider their definition and the whole body outline.
Occasional surface gulps support auxiliary breathing. Pectoral spines can catch in nets or pierce skin during transfer, making gentle handling necessary even for a small fish.
来源
- https://www.seriouslyfish.com/species/hoplisoma-carlae(抓取于 2026-10-10)
hoplisoma-carlae · 文件: data/species/hoplisoma-carlae.md · 状态: 草稿