イェンツーユイ (Myxocyprinus asiaticus)

科: Catostomidae

イェンツーユイは中国に原生する温和な雑食性の淡水魚（コクチバス科）。飼育難度は上級者向き程度です。

飼育条件

水温: 15–28 °C
pH: 6.5–7.5
GH硬度: 5–15 dGH
成魚の体長: 47.6–68 cm
最小水槽: 500 L
泳ぐ水層: Bottom; rests and forages low; keep 3+
飼育難度: 上級
性格: Peaceful
原産地: 东亚淡水水系

種の概要

A Catostomidae species: Myxocyprinus asiaticus lives bottom; rests and forages low; keep 3+ over large river channels with strong flow. Peaceful. Adults reach 47.6–68 cm. In a community tank it pairs well with Amur False Gudgeon, China-Bitterling.

原生環境

生息地: Large river channels with strong flow
水流: Strong current with heavy aeration
溶存酸素: Demands high dissolved oxygen

レイアウトと設備

底床: Fine sand
流木・石組: Driftwood, water-worn stones and shelters that mimic the native biotope
水草: Hardy plants on hardscape; keep the floor open

性格・餌・混泳

群泳性: Keep 3+; larger groups settle better
餌: Omnivore; quality prepared foods with variety
おすすめの混泳相手: Amur False Gudgeon — Similar size and water needs
China-Bitterling — Similar size and water needs
Acanthorhodeus chankaensis — Similar size and water needs
混泳しないほうがいい相手: Large aggressive cichlids — Bullying and injury risk
Known fin nippers — Constant stress and fin damage

繁殖と注意点

雌雄の違い: 不明显；繁殖期雄鱼体色泛红
繁殖方法: Egg-scatterer over fine plants; 野外春季溯流产卵；缸内无成熟繁殖方案

よくある質問

イェンツーユイは飼育しやすい？

経験者向き。Peaceful。Keep 3+; larger groups settle better。

イェンツーユイの適水温と水質は？

適水温 15–28 °C。15–28 °C recorded range。Standard heater to hold the mid-range steadily。

イェンツーユイの大きさと水槽サイズは？

成魚は約 47.6–68 cm。Bottom; rests and forages low; keep 3+。最小 500 L の水槽。

イェンツーユイの餌は？

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

イェンツーユイは混泳できる？

可能。Peaceful。おすすめ：Amur False Gudgeon — Similar size and water needs, China-Bitterling — Similar size and water needs, Acanthorhodeus chankaensis — Similar size and water needs。Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damageとの混泳は避ける。

イェンツーユイの原産地は？

原産地は东亚淡水水系。Large river channels with strong flowに生息。Strong current with heavy aeration。Demands high dissolved oxygen。

イェンツーユイの繁殖は？

Egg-scatterer over fine plants; 野外春季溯流产卵；缸内无成熟繁殖方案。不明显；繁殖期雄鱼体色泛红。