Rectoris posehensis

科: Cyprinidae

Rectoris posehensis（Rectoris posehensis）はコイ科に分類される淡水魚で、中国・長江上流に分布する。成魚は約 17.2–25.3 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: 17.2–25.3 cm
最小水槽: 500 L
泳ぐ水層: Bottom-dwelling
飼育難度: 中級
性格: Peaceful; keep with similar-sized calm tankmates
原産地: 中国・長江上流

種の概要

Rectoris posehensis, a member of the family Cyprinidae, comes from upper Yangtze, China, where it inhabits clear streams and rivers over gravel. Peaceful; keep with similar-sized calm tankmates and omnivore; prepared foods with regular variety, it grows to 17.2–25.3 cm and adapts well to a properly set-up aquarium in the 18–26 °C range. Other Rectoris species in our database include Rectoris luxiensis, Rectoris mutabilis, Rectoris longibarbus.

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: Similar-sized peaceful community fish — Compatible size and temperament
混泳しないほうがいい相手: Fin-nippers — Constant stress

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

Rectoris posehensisは飼育しやすい？

難易度：中級。Peaceful; keep with similar-sized calm tankmates。

Rectoris posehensis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。

Rectoris posehensisの大きさと水槽サイズは？

成魚は約 17.2–25.3 cm。Bottom-dwelling。最小 500 L の水槽。

Rectoris posehensisの餌は？

Omnivore; prepared foods with regular variety。Fine gravel and sand上で採餌する性質を活かし、沈む餌も与える。

Rectoris posehensisは混泳できる？

可能。Peaceful; keep with similar-sized calm tankmates。おすすめ：Similar-sized peaceful community fish — Compatible size and temperament。Fin-nippers — Constant stressとの混泳は避ける。

Rectoris posehensisの原産地は？

中国・長江上流原産。Clear streams and rivers over gravel、Moderate, well-oxygenated current。

Rectoris posehensisは飛び出す？

換水・メンテ時はふたを推奨。

Rectoris posehensisの繁殖は？

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