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玩缸知识库

花䱻 · Spotted Steed

花䱻

概要

字段值
类别鱼
学名Hemibarbus maculatus
别名鱼骨、花、Barbus semibarbus、Acanthogobio paltschevskii、Hemibarbus joiteni、Hemibarbus longibarbis、花
分类鲤形目 Cypriniformes › 鲤科 Cyprinidae › Hemibarbus
水体淡水
原产地中国大陆及台湾、日本、蒙古、朝鲜、俄罗斯、韩国
成体体长40 cm
饲养难度中等
群居方式群游
外部数据seriouslyfish hemibarbus-maculatus;fishbase 4752
食性肉食
繁殖方式产卵

概述

花䱻(Hemibarbus maculatus)的体侧各有七至十一枚较大暗斑,体形较高,背部轮廓明显隆起。头长小于体高,嘴唇不像一些近缘种那样厚实发达,这些特征可辅助辨认。

分布与栖息地

分布在长江至黑龙江之间的东亚地区,包括中国大陆、台湾和海南,以及朝鲜半岛、蒙古、俄罗斯和日本。越南、老挝的记录可能是引入,也可能其实属于其他物种,不能视为已经确认的原生分布。

主要生活在清澈、富氧的河流中,河底可为沙、砾石、岩石或泥,并不只对应单一底质。

食性与喂食

野外主要取食底栖甲壳动物、昆虫和软体动物。

繁殖

野外繁殖季在五月至六月,卵产在水生植物之间。

补充说明

体侧黑斑、较高的身体和清晰隆起的背线,是核对身份时较直观的组合;不要仅凭“有斑点”就与其他种混同。

图片

图片来自 SeriouslyFish,版权归各摄影者所有。

花䱻
幼鱼 · Subadult individual. · 摄影:http://ffish.asia
花䱻
幼鱼 · Juvenile specimens from the Chinese aquarium trade. · 摄影:Marco Endruweit
花䱻
幼鱼 · Detail of head and anterior portion of body; juvenile individual. · 摄影:Marco Endruweit
English

Overview

Seven to eleven substantial dark flank spots, a deep body, and a strongly curved back characterize Hemibarbus maculatus. Its head is shorter than the body is deep, and the lips are less developed than in some relatives.

Distribution & habitat

The eastern Asian range extends between the Yangtze and Amur basins, including mainland China, Taiwan, Hainan, Korea, Mongolia, Russia, and Japan. Reports from Vietnam and Laos may concern introductions or another species, so they should not be assumed to establish native distribution.

Clear, oxygen-rich rivers are the principal habitat. Occupied bottoms may consist of sand, gravel, rock, or mud.

Diet & feeding

Wild fish take benthic crustaceans, insects, and mollusks.

Breeding

Natural spawning occurs in May and June, with eggs placed among aquatic plants.

Notes

Consider the combination of large spots, body depth, and convex dorsal outline when identifying the fish. The presence of spots alone is insufficient to distinguish similar species.

来源

ID: hemibarbus-maculatus · 文件: data/species/hemibarbus-maculatus.md · 状态: 草稿