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玩缸知识库

黑野鲮 · Black Shark

黑野鲮

概要

字段值
类别鱼
学名Labeo chrysophekadion
别名金黑鮈、黑野鯪、Rohita chrysophekadion、Rohita cyanomelas、Rohita polyporos、Rohita koilogeneion、Rohita sima、Rohita pectoralis、Morulius erythrostictus
分类鲤形目 Cypriniformes › 鲤科 Cyprinidae › Labeo
水体淡水
原产地柬埔寨、印度尼西亚、老挝、马来西亚、泰国、越南
成体体长60 cm
饲养难度中等
群居方式独居
领地性是
外部数据seriouslyfish labeo-chrysophekadion;fishbase 12102
食性杂食
性情攻击性

水质参数

参数耐受范围最适范围单位
水温20–26—°C
pH6–8——
总硬度2–15—dGH

概述

黑野鲮(Labeo chrysophekadion)幼鱼全黑,长大后鳞片中央可出现反光斑点。它体型大、领地性强,虽然常有幼鱼出售,实际只适合公共设施或极大型专业缸。

分布与栖息地

广布东南亚,包括湄公河、越南同奈河、泰国主要河系、马来半岛及婆罗洲、苏门答腊、爪哇。多在大河主河道,也进入支流、沟渠和季节性泛滥地;成鱼随季节迁移觅食及繁殖。

饲养环境

需要大型成熟过滤、严格清洁和高溶氧,保持适度水流,每周换水约 50%~70%。幼鱼可利用洞穴或阴影作为躲藏及占区处,但遮蔽物不能代替足够大的活动空间。

食性与喂食

摄食附着藻、小型甲壳类、昆虫幼虫等。用优质薄片或颗粒搭配红虫、水蚤、丰年虾,以及去壳豌豆、黄瓜、烫蔬菜等植物性食物;适应后也会到中层取食。

习性与混养

对同种和体形相近的鱼可有强烈领地攻击,尤其空间有限时,不宜因幼鱼暂时相安无事就预期成鱼能长期密养。

雌雄区分

成熟雌鱼可能更厚实,也可能比雄鱼更大,但这些差异并非可靠的幼鱼分性依据。

繁殖

野外在雨季初繁殖,据描述会在浅沙洲上游产卵,水位上涨时卵沉积并孵化,鱼苗随洪水进入岸边淹没植被。这个过程与季节水位变化紧密相关。

图片

图片来自 SeriouslyFish,版权归各摄影者所有。

黑野鲮
Adult individual from Thailand. · 摄影:Nonn Panitvong/Siamensis.org
黑野鲮
幼鱼 · Subadult specimen. · 摄影:http://ffish.asia
黑野鲮
Adult individual from Pahang state, Malaysia. · 摄影:Bernard Dupont
黑野鲮
幼鱼 · Juvenile specimen of the ornamental albino form. · 摄影:Edward Corp
黑野鲮
幼鱼 · Juvenile individual. · 摄影:http://ffish.asia
English

Overview

A juvenile Labeo chrysophekadion is uniformly dark, while large adults can develop reflective centers on their scales. Its eventual size and territorial behavior make it a specialist display fish despite the availability of small juveniles.

Distribution & habitat

The range extends across mainland Southeast Asia and the Greater Sunda islands. Larger river channels predominate, with use of tributaries, canals and flooded land. Adults undertake seasonal movements linked to feeding and reproduction.

Aquarium setup

Provide a high-capacity established filter, circulation and ample oxygen. Substantial weekly water replacement, around fifty to seventy percent, accompanies rigorous maintenance. Younger fish appreciate a cave or shaded retreat, but cover does not replace enclosure size.

Diet & feeding

Its grazing includes both algae and small animals. Combine prepared food with regular invertebrate meals and vegetables such as shelled peas, cucumber or softened greens. Settled fish also take offered food away from the bottom.

Behaviour & compatibility

Conspecifics and similarly shaped fishes may face forceful territorial aggression. Limited space intensifies the problem, and juvenile tolerance is not a reliable guide to adult compatibility.

Sexual dimorphism

Mature females are thought to become deeper-bodied and possibly larger; these are tentative differences, not a dependable juvenile sexing method.

Breeding

Reproduction is seasonal. Spawning reportedly occurs upstream of shallow sandbars as rains begin, with eggs settling and hatching during rising water. Young fish move into newly flooded bank vegetation as inundation expands.

来源

ID: labeo-chrysophekadion · 文件: data/species/labeo-chrysophekadion.md · 状态: 草稿