オオタナゴ (Acheilognathus macropterus)

科: Cyprinidae

オオタナゴは中国、朝鮮半島、ロシアに原生する温和な雑食性の淡水魚（コイ科）。飼育難度は中級者向き程度です。

飼育条件

水温: 15–25 °C
pH: 6.5–7.5
GH硬度: 5–15 dGH
成魚の体長: 19.2–27.5 cm
最小水槽: 275 L
泳ぐ水層: Mid-water swimmer; keep 6+
飼育難度: 中級
性格: Peaceful
原産地: 朝鲜半岛

種の概要

Acheilognathus macropterus is a Cyprinidae. In the aquarium it stays peaceful. Plan on 19.2–27.5 cm of adult fish at 15–25 °C. Related profiles: Acheilognathus barbatulus, Acheilognathus cyanostigma, Acheilognathus gracilis.

原生環境

生息地: Clear streams, rivers and still waters
水流: Moderate flow
溶存酸素: Average oxygen needs

レイアウトと設備

底床: Dark fine gravel or sand
流木・石組: Driftwood, water-worn stones and shelters that mimic the native biotope
水草: Mixed planting with open swimming lanes

性格・餌・混泳

群泳性: Keep 6+; 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: Males are typically slimmer and more intensely colored; females fuller-bodied
繁殖方法: Spawning; condition with rich foods and simulate seasonal changes

よくある質問

オオタナゴは飼育しやすい？

中級向き。水質の安定が重要。Peaceful。Keep 6+; larger groups settle better。

オオタナゴの適水温と水質は？

適水温 15–25 °C。15–25 °C recorded range。Standard heater to hold the mid-range steadily。

オオタナゴの大きさと水槽サイズは？

成魚は約 19.2–27.5 cm。Mid-water swimmer; keep 6+。最小 275 L の水槽。

オオタナゴの餌は？

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

オオタナゴは混泳できる？

Peaceful；Keep 6+; larger groups settle better。向いているのは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は不向き。

オオタナゴの原産地は？

原産地は朝鲜半岛。Clear streams, rivers and still watersに生息。Moderate flow。Average oxygen needs。

オオタナゴの繁殖は？

Spawning; condition with rich foods and simulate seasonal changes。Males are typically slimmer and more intensely colored; females fuller-bodied。