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玩缸知识库

罗比歧须鮠

罗比歧须鮠

概要

字段值
类别鱼
学名Synodontis robbianus
别名羅比歧鬚鮠
分类鲶形目 Siluriformes › 倒立鲶科 Mochokidae › Synodontis
水体淡水
成体体长13 cm
饲养难度中等
最小水体81 L
最小缸长90 cm
外部数据seriouslyfish synodontis-robbianus;fishbase 9615
原产地尼日利亚
繁殖方式散卵

水质参数

参数耐受范围最适范围单位
水温22–25—°C
pH6–7.5——
总硬度5–20—dGH

概述

罗比歧须鮠(Synodontis robbianus)是尼日利亚的较强健鲶鱼,幼鱼容易与其他近亲混淆。褐色底色是线索之一,但不要仅凭一尾小鱼的颜色就判断最终体形与混养需求。

分布与栖息地

仅见于尼日利亚,天然分布包括尼日尔河下游和克罗斯河。

饲养环境

可参考 90 × 30 × 30 厘米,采用柔软底床、石块、沉木和根枝构成藏身处。弱光与浮水植物有助营造隐蔽环境,其他植物可用但不是必需。若同养多尾,要给各自可退避的空间。

食性与喂食

可参考同属多样化喂食,活饵、冷冻饵、干粮与去皮豌豆、黄瓜等植物材料搭配。应主动确保它吃到食物,而不是把它作为自动处理残饵的鱼。

习性与混养

避免可能被当食物的小鱼,选择体形相称、较强健的伙伴。成熟后可能略护地盘,尤其对其他歧须鮠,但通常不如一些近亲激烈。足够大的缸中,每尾都有庇护所时可尝试小群同养。

雌雄区分

成熟雌鱼比雄鱼丰满。本种体形较小,生殖乳突检查并不是方便可靠的常规分性方式。

繁殖

野外在季节性淹水、微生物丰富的区域散卵,不提供亲鱼护育。家庭水族箱里不能据此假定能轻易重复整个过程。

补充说明

它有时被误认成更大的近似种。成鱼褐色底色及整体体形应结合判断,幼鱼阶段尤其需要谨慎识别。

图片

图片来自 SeriouslyFish,版权归各摄影者所有。

罗比歧须鮠
Synodontis robbianus · 摄影:Hippocampus-Bildarchiv
English

Overview

A robust Nigerian catfish, Synodontis robbianus resembles several relatives when young. Its brownish base color is useful, but a juvenile’s appearance alone should not determine expectations about identity or adult care.

Distribution & habitat

It is known only from Nigeria, including the lower Niger and Cross rivers.

Aquarium setup

A 90 by 30 by 30 cm aquarium is the maintenance reference. Soft substrate, rocks, roots, and wood should provide cover beneath subdued light. Floating plants help shade the water; other planting is optional. Several fish require individual retreats and sufficient room between them.

Diet & feeding

Genus-level feeding recommendations combine live, frozen, and prepared foods with vegetable matter. Ensure it receives deliberate meals instead of assigning it to consume whatever other fish leave.

Behaviour & compatibility

Choose robust companions of suitable size and exclude tiny fishes. Territoriality may develop with maturity, especially toward other Synodontis, though it is generally less pronounced than in some relatives. Small groups can be attempted in roomy aquaria with a refuge for each fish.

Sexual dimorphism

Adult females are fuller-bodied. Its relatively small size makes genital inspection an awkward routine sexing method.

Breeding

Natural spawning involves scattered eggs in seasonally flooded areas rich in microscopic life, without parental care. These facts do not establish a straightforward home-aquarium procedure.

Notes

Confusion with larger relatives is possible. Adult base color and overall form should be considered together, with particular caution when identifying juveniles.

来源

ID: synodontis-robbianus · 文件: data/species/synodontis-robbianus.md · 状态: 草稿