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戈氏兵鲶 · Palespotted Cory

戈氏兵鲶

概要

字段值
类别鱼
学名Hoplisoma gossei
别名戈氏兵鯰、Corydoras gossei
分类鲶形目 Siluriformes › 美鲶科 Callichthyidae › Hoplisoma
水体淡水
原产地玻利维亚、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-gossei;fishbase 12171
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24–28—°C
pH5.5–7.5——
总硬度2–10—dGH

概述

戈氏兵鲶(Hoplisoma gossei)是马莫雷河流域的温和鼠鱼,与同流域一些长吻鼠鱼花纹接近。它本身吻较短圆,辨种应综合吻形、斑纹与来源,不能仅凭烟灰色调判断。

分布与栖息地

确认记录来自巴西朗多尼亚州的马莫雷河水系。由于模式地点位于巴西与玻利维亚边界河段,玻利维亚北部也很可能存在,但这一范围仍有推测性质。

饲养环境

以细砂为底较好,也可用圆滑砾石,前提是底床保持清洁。安排遮蔽物供鱼群躲藏,同时留出容易获得沉底食物的区域。

食性与喂食

杂食,接受沉底干粮与红虫、水蚯蚓等小型活饵和冷冻饵料。多样投喂并确保鱼群真正吃到,不要让它仅依赖其他鱼剩下的残饵。

习性与混养

温和且群居,至少四至六条同种一起养。正常进食与清洁维护不能因其被当作底部清洁鱼而忽略。

雌雄区分

雌鱼通常更大,成熟后身体更宽,体高也更明显。

繁殖

可用常见鼠鱼方法繁殖,每雌配两条或更多雄鱼。亲鱼调养成熟后,较凉换水、增加供氧与水流可刺激产卵。卵可附在缸壁、细叶植物或沉底产卵拖把上,拖把便于整体转移。

产后分开卵与亲鱼,转移卵时使用相同水质并充分供氧。孵化一般约三至四天,卵黄吸收后可喂微虫和丰年虾无节幼体。幼鱼不算容易养大,需要非常好的水质,薄砂底似乎比裸底更有利。

补充说明

编号 CW069 的相似鱼被描述为吻形和花纹介于几种鱼之间,不能由此直接认定它是杂交鱼。偶尔浮到水面吞气是辅助呼吸;胸鳍硬刺可能挂网或刺伤,搬动时应小心。

图片

图片来自 SeriouslyFish,版权归各摄影者所有。

戈氏兵鲶
Specimen from the German aquarium trade. · 摄影:Enrico Richter
戈氏兵鲶
This species has a short, rounded snout compared with the similar-looking C. seussi. · 摄影:Ricardo Kobe
戈氏兵鲶
Specimen from the UK aquarium trade. · 摄影:Gareth Bull
戈氏兵鲶
幼鱼 · Subadult specimen. · 摄影:JJPhoto
English

Overview

Hoplisoma gossei is a peaceful catfish from the Mamoré drainage with markings resembling those of some longer-snouted fishes from the same river. Its own shorter, rounded snout should be assessed alongside pattern and locality rather than using a smoky body tone alone.

Distribution & habitat

Confirmed records are from the Mamoré watershed in Rondônia, Brazil. Northern Bolivia is also a likely part of its range because the type locality lies along the international border river, but that extension remains inferential.

Aquarium setup

Fine sand is preferable. Smooth gravel is usable when kept thoroughly clean. Provide shelter for the group and accessible areas for sinking food.

Diet & feeding

Offer an omnivorous mix of sinking dry foods with small live and frozen items, including bloodworms and Tubifex. Check that individuals receive meals instead of relying on leftovers from other fishes.

Behaviour & compatibility

Maintain at least four to six together. Peaceful group behavior does not remove the need for deliberate feeding and regular substrate maintenance.

Sexual dimorphism

Females usually grow larger and develop broader, deeper bodies at maturity.

Breeding

Common cory methods are applicable, with two or more males per female. Condition adults before using cooler water changes and increased circulation and oxygenation to encourage spawning. Eggs may attach to glass, fine plants, or submerged mops; mops simplify transfer.

Separate adults and eggs afterward. Any transfer should preserve water conditions and oxygenation. Hatching generally takes three or four days. After yolk absorption, offer microworms or brine shrimp nauplii. Fry are demanding and require excellent water quality; a thin sand layer appears to reduce problems compared with a bare base.

Notes

The fish coded CW069 has been described as intermediate in some aspects of snout shape and coloration. Intermediate appearance alone does not establish hybrid origin. Occasional air gulps support auxiliary breathing, and sharp pectoral spines require care during handling.

来源

ID: hoplisoma-gossei · 文件: data/species/hoplisoma-gossei.md · 状态: 草稿