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玩缸知识库

Schistura deansmarti

Schistura deansmarti

概要

字段值
类别鱼
学名Schistura deansmarti
分类鲤形目 Cypriniformes › 条鳅科 Nemacheilidae › Schistura
水体淡水
原产地泰国彭世洛府 Phra Sai Ngam 洞穴系统特有
成体体长10.5 cm
饲养难度中等
群居方式群游
外部数据seriouslyfish schistura-deansmarti;fishbase 61682

概述

Schistura deansmarti 是专门适应地下环境的洞穴条鳅,全身没有色素,部分个体外观上看不到眼睛。它不适合作为普通观赏鱼获取与饲养,了解其有限分布和洞穴生活方式更有意义。

分布与栖息地

特有于泰国彭世洛府通沙良銮国家公园内的 Phra Sai Ngam 石灰岩洞穴系统。洞内有地下溪流,流量随季节变化,部分时段鱼生活在不流动的池水中。

食性与喂食

食性尚未确认,可能主要利用底栖无脊椎动物和浮游动物,不能据此写成确定的人工喂养方案。

雌雄区分

雄鱼有发育较弱的眼下皮瓣,雌鱼没有。

补充说明

有些个体完全看不到外露眼睛,另一些仍有位于皮下凹陷中的退化眼。无色素和眼部退化属于对地下环境的适应,不应被当作普通鳅鱼的人工白化品系来理解。

图片

图片来自 SeriouslyFish,版权归各摄影者所有。

Schistura deansmarti
Some individuals of this species have vestigial eyes, while others have none at all. · 摄影:Nonn Panitvong/Siamensis.org
Schistura deansmarti
Specimen in its natural habitat, Tham Phra Sai Ngam cave system, Thailand. · 摄影:Nonn Panitvong/Siamensis.org
Schistura deansmarti
This species is not a suitable aquarium fish and is included here for interest only. · 摄影:Nonn Panitvong/Siamensis.org
English

Overview

A cave-adapted loach, Schistura deansmarti entirely lacks pigmentation, and some individuals have no externally visible eyes. It is unsuitable as an ordinary aquarium acquisition; its restricted distribution and subterranean adaptations are the relevant focus.

Distribution & habitat

It is endemic to the limestone Phra Sai Ngam cave system in Thung Salaeng Luang National Park, Phitsanulok, Thailand. An underground stream changes seasonally, leaving fish in stagnant pools during part of the year.

Diet & feeding

Its diet is unconfirmed but probably relies largely on benthic invertebrates and zooplankton. That hypothesis does not establish a captive feeding protocol.

Sexual dimorphism

Males possess a weakly developed suborbital flap, absent in females.

Notes

Some individuals show no external eyes; others retain vestigial eyes in a depression beneath the skin. Depigmentation and eye reduction are cave adaptations rather than an ordinary ornamental albino strain.

来源

ID: schistura-deansmarti · 文件: data/species/schistura-deansmarti.md · 状态: 草稿