Onychostoma gerlachi

科: Cyprinidae

Onychostoma gerlachi（Onychostoma gerlachi）はコイ科に分類される淡水魚で、中国南部の山地渓流に分布する。成魚は約 23.7–34.8 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
23.7–34.8 cm
最小水槽
500 L
泳ぐ水層
Bottom-dwelling
飼育難度
中級
性格
Calm, undemanding and well-suited to community life
原産地
中国南部の山地渓流

種の概要

Onychostoma gerlachi is a Cyprinidae from southern Chinese mountain streams. In the wild it prefers clear streams and rivers over gravel; in the aquarium it stays calm, undemanding and well-suited to community life. Plan on 23.7–34.8 cm of adult fish at 18–26 °C. Related profiles: Onychostoma barbatulum, Onychostoma angustistomata, Onychostoma elongatum.

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
Small groups recommended
餌
Unfussy omnivore; varied diet keeps condition
おすすめの混泳相手
  • Robust schooling cyprinids — Add activity without conflict
混泳しないほうがいい相手
  • Much larger predators — Risk at night

繁殖と注意点

雌雄の違い
Males often slimmer and more colourful
繁殖方法
Spawns freely; remove parents to save the eggs

よくある質問

Onychostoma gerlachiは飼育しやすい？

中級向き。水質の安定が重要。Calm, undemanding and well-suited to community life。Small groups recommended。

Onychostoma gerlachiの適水温と水質は？

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

Onychostoma gerlachiの大きさと水槽サイズは？

成魚は約 23.7–34.8 cm。Bottom-dwelling。最小 500 L の水槽。

Onychostoma gerlachiの餌は？

Unfussy omnivore; varied diet keeps condition。1日2回の少量給餌が理想的。

Onychostoma gerlachiは混泳できる？

可能。Calm, undemanding and well-suited to community life。おすすめ：Robust schooling cyprinids — Add activity without conflict。Much larger predators — Risk at nightとの混泳は避ける。

Onychostoma gerlachiの原産地は？

中国南部の山地渓流のClear streams and rivers over gravelが生息地。

Onychostoma gerlachiは飛び出す？

換水・メンテ時はふたを推奨。

Onychostoma gerlachiの繁殖は？

繁殖：Spawns freely; remove parents to save the eggs。Males often slimmer and more colourful。