ヒゲナガウオ (Coreius heterodon)

科: Cyprinidae

ヒゲナガウオ（Coreius heterodon）はコイ科に分類される淡水魚で、中国・長江流域に分布する。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: Calm giants; anything swallowable is food
原産地: 中国・長江流域

種の概要

A Cyprinidae species native to Yangtze basin, China: Coreius heterodon lives active throughout the water column over gravel. Calm giants; anything swallowable is food. Adults reach 11.2–16.5 cm. It is one of the aquarium-kept Coreius species we profile, alongside Coreius guichenoti, Coreius septentrionalis.

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: Singly or in small groups in long tanks
餌: Accepts most foods; give it greens as well as protein
おすすめの混泳相手: Other large temperate cyprinids — Match size, temperature and diet
混泳しないほうがいい相手: Warm-water tropicals — Need different temperatures

繁殖と注意点

雌雄の違い: Males often slimmer and more colourful
繁殖方法: Spawning follows cold-season floods in nature; rarely in aquaria

よくある質問

ヒゲナガウオは飼育しやすい？

中級向き。水質の安定が重要。Calm giants; anything swallowable is food。Singly or in small groups in long tanks。

ヒゲナガウオの適水温と水質は？

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

ヒゲナガウオの大きさと水槽サイズは？

成魚は約 11.2–16.5 cm。Active throughout the water column。最小 327 L の水槽。

ヒゲナガウオの餌は？

Accepts most foods; give it greens as well as protein。1日2回の少量給餌が理想的。

ヒゲナガウオは混泳できる？

可能。Calm giants; anything swallowable is food。おすすめ：Other large temperate cyprinids — Match size, temperature and diet。Warm-water tropicals — Need different temperaturesとの混泳は避ける。

ヒゲナガウオの原産地は？

中国・長江流域のClear streams and rivers over gravelが生息地。

ヒゲナガウオは飛び出す？

リスクは低いが、ふたがあると安心。

ヒゲナガウオの繁殖は？

繁殖：Spawning follows cold-season floods in nature; rarely in aquaria。Males often slimmer and more colourful。