Rohu (Labeo rohita)

科: Cyprinidae

Rohu（Labeo rohita）はコイ科に分類される淡水魚で、中国と南アジアに分布する。成魚は約 150–220 cm、適水温 21–27 °C。

飼育条件

水温: 21–27 °C
pH: 6.5–7.5
GH硬度: 5–15 dGH
成魚の体長: 150–220 cm
最小水槽: 500 L
泳ぐ水層: Active throughout the water column
飼育難度: 中級
性格: Mostly peaceful; some species nip fins
原産地: 中国と南アジア

種の概要

Labeo rohita is a Cyprinidae from China and South Asia. In the wild it prefers clear streams and rivers over gravel; in the aquarium it stays mostly peaceful. Plan on 150–220 cm of adult fish at 21–27 °C. Related profiles: Labeo bata, Labeo boggut, Labeo calbasu.

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: Shoaling; keep in groups of 6 or more
餌: Omnivore; prepared foods with regular vegetable matter
おすすめの混泳相手: Similar-sized peaceful community fish — Similar size and water needs
混泳しないほうがいい相手: Much smaller fish — May outcompete or bully tiny tankmates

繁殖と注意点

雌雄の違い: Males often slimmer and more colourful
繁殖方法: Egg-scatterer; no parental care

よくある質問

Rohuは飼育しやすい？

中級者向き。Mostly peaceful; some species nip fins。Shoaling; keep in groups of 6 or more。

Rohuの適水温と水質は？

21–27 °C を安定して維持。pH 6.5–7.5、GH 5–15 dGH。

Rohuの大きさと水槽サイズは？

成魚 150–220 cm 前後。Active throughout the water columnのため 500 L 以上の水槽を推奨。

Rohuの餌は？

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

Rohuは混泳できる？

Mostly peaceful; some species nip fins；Shoaling; keep in groups of 6 or more。向いているのはSimilar-sized peaceful community fish — Similar size and water needs。Much smaller fish — May outcompete or bully tiny tankmatesは不向き。

Rohuの原産地は？

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

Rohuは飛び出す？

飛び出しの傾向は低い。標準のふたでOK。

Rohuの繁殖は？

繁殖：Egg-scatterer; no parental care。Males often slimmer and more colourful。