Rectoris mutabilis

科: Cyprinidae

Rectoris mutabilis（Rectoris mutabilis）はコイ科に分類される淡水魚。成魚は約 11.6–17.1 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: 11.6–17.1 cm
最小水槽: 351 L
泳ぐ水層: Bottom-dwelling
飼育難度: 中級
性格: Mostly peaceful; some species nip fins

種の概要

A Cyprinidae species: Rectoris mutabilis lives bottom-dwelling over gravel. Mostly peaceful; some species nip fins. Adults reach 11.6–17.1 cm. It is one of the aquarium-kept Rectoris species we profile, alongside Rectoris posehensis, Rectoris luxiensis.

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

Rectoris mutabilis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。

Rectoris mutabilisの適水温と水質は？

18–26 °C が目安。急変を避け、Room temperature to heated, depending on origin。

Rectoris mutabilisの大きさと水槽サイズは？

成魚は 11.6–17.1 cm。最低 351 L。

Rectoris mutabilisの餌は？

Omnivore; prepared foods with regular vegetable matter。1日2回の少量給餌が理想的。

Rectoris mutabilisは混泳できる？

可能。Mostly peaceful; some species nip fins。おすすめ：Similar-sized peaceful community fish — Similar size and water needs。Much smaller fish — May outcompete or bully tiny tankmatesとの混泳は避ける。

Rectoris mutabilisの原産地は？

Clear streams and rivers over gravelに生息。Moderate, well-oxygenated current。Appreciates well-oxygenated water。

Rectoris mutabilisは飛び出す？

飛び出しの傾向は低い。標準のふたでOK。

Rectoris mutabilisの繁殖は？

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