ハダカゴイ (Gymnodiptychus dybowskii)

科: Cyprinidae

Naked Osman（Gymnodiptychus dybowskii）はコイ科に分類される淡水魚で、チベット高原の水域に分布する。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: Peaceful; keep with similar-sized calm tankmates
原産地: チベット高原の水域

種の概要

A Cyprinidae species native to Tibetan Plateau waters: Gymnodiptychus dybowskii lives active throughout the water column over gravel. Peaceful; keep with similar-sized calm tankmates. Adults reach 11.2–16.5 cm. In a community tank it pairs well with Robust schooling cyprinids.

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

ハダカゴイは飼育しやすい？

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。

ハダカゴイの適水温と水質は？

適水温 18–26 °C。18–26 °C typical for the family。Room temperature to heated, depending on origin。

ハダカゴイの大きさと水槽サイズは？

成魚は 11.2–16.5 cm。最低 327 L。

ハダカゴイの餌は？

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

ハダカゴイは混泳できる？

Peaceful; keep with similar-sized calm tankmates。混泳の相手：Robust schooling cyprinids — Add activity without conflict。Much larger predators — Risk at nightは避ける。

ハダカゴイの原産地は？

チベット高原の水域原産。Clear streams and rivers over gravel、Moderate, well-oxygenated current。

ハダカゴイは飛び出す？

換水・メンテ時はふたを推奨。

ハダカゴイの繁殖は？

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