Onychostoma angustistomata

科: Cyprinidae

Onychostoma angustistomata（Onychostoma angustistomata）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: Active throughout the water column
飼育難度: 中級
性格: Peaceful; keep with similar-sized calm tankmates
原産地: 中国南部の山地渓流

種の概要

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

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: Keep in a group of 4–6 for natural behaviour
餌: Omnivore; prepared foods with regular variety
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: Breeding is straightforward scatter-spawning

よくある質問

Onychostoma angustistomataは飼育しやすい？

中級向き。水質の安定が重要。Peaceful; keep with similar-sized calm tankmates。Keep in a group of 4–6 for natural behaviour。

Onychostoma angustistomataの適水温と水質は？

18–26 °C を安定して維持。pH 6.5–7.5、GH 5–15 dGH。

Onychostoma angustistomataの大きさと水槽サイズは？

成魚は約 23.7–34.8 cm。Active throughout the water column。最小 500 L の水槽。

Onychostoma angustistomataの餌は？

Omnivore; prepared foods with regular variety。人工飼料に冷凍餌を組み合わせて。

Onychostoma angustistomataは混泳できる？

可能。Peaceful; keep with similar-sized calm tankmates。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 angustistomataの原産地は？

中国南部の山地渓流原産。Clear streams and rivers over gravel、Moderate, well-oxygenated current。

Onychostoma angustistomataは飛び出す？

リスクは低いが、ふたがあると安心。

Onychostoma angustistomataの繁殖は？

Breeding is straightforward scatter-spawning。Males often slimmer and more colourful。