Gymnocypris przewalskii

科: Cyprinidae

Gymnocypris przewalskii（Gymnocypris przewalskii）はコイ科に分類される淡水魚で、中国に分布する。成魚は約 11.2–16.5 cm、適水温 18–26 °C。

飼育条件

水温: 18–26 °C
pH: 6.5–7.5
GH硬度: 5–15 dGH
成魚の体長: 11.2–16.5 cm
最小水槽: 327 L
泳ぐ水層: Active throughout the water column
飼育難度: 中級
性格: Generally peaceful but predatory on small fish
原産地: 中国

種の概要

Gymnocypris przewalskii, a member of the family Cyprinidae, comes from China, where it inhabits clear streams and rivers over gravel. Generally peaceful but predatory on small fish and omnivore leaning carnivorous — pellets plus fish and vegetable matter, it grows to 11.2–16.5 cm and adapts well to a properly set-up aquarium in the 18–26 °C range. Other Gymnocypris species in our database include Gymnocypris eckloni.

原生環境

生息地: Clear streams and rivers over gravel
水流: Moderate, well-oxygenated current
溶存酸素: Appreciates well-oxygenated water

レイアウトと設備

底床: Fine gravel and sand
流木・石組: Water-worn stones and driftwood
水草: Hardy rooted plants along the margins

性格・餌・混泳

群泳性: Young fish group; grown ones want space
餌: Omnivore leaning carnivorous — pellets plus fish and vegetable matter
おすすめの混泳相手: Cold-water catfish of similar bulk — Share the cool, current-rich regime
混泳しないほうがいい相手: Small fish — Will be eaten

繁殖と注意点

雌雄の違い: Males often slimmer and more colourful
繁殖方法: No routine aquarium breeding; simulate winter chill to condition

よくある質問

Gymnocypris przewalskiiは飼育しやすい？

中級者向き。Generally peaceful but predatory on small fish。Young fish group; grown ones want space。

Gymnocypris przewalskiiの適水温と水質は？

適水温 18–26 °C。18–26 °C typical for the family。Room temperature to heated, depending on origin。

Gymnocypris przewalskiiの大きさと水槽サイズは？

成魚 11.2–16.5 cm 前後。Active throughout the water columnのため 327 L 以上の水槽を推奨。

Gymnocypris przewalskiiの餌は？

Omnivore leaning carnivorous — pellets plus fish and vegetable matter。1日2回の少量給餌が理想的。

Gymnocypris przewalskiiは混泳できる？

Generally peaceful but predatory on small fish；Young fish group; grown ones want space。向いているのはCold-water catfish of similar bulk — Share the cool, current-rich regime。Small fish — Will be eatenは不向き。

Gymnocypris przewalskiiの原産地は？

原産地は中国。Clear streams and rivers over gravelに生息。Moderate, well-oxygenated current。Appreciates well-oxygenated water。

Gymnocypris przewalskiiは飛び出す？

リスクは低いが、ふたがあると安心。

Gymnocypris przewalskiiの繁殖は？

繁殖：No routine aquarium breeding; simulate winter chill to condition。Males often slimmer and more colourful。