zebra danio (Danio rerio)

科: Cyprinidae

zebra danioは南アジア（インド、バングラデシュ）に原生する温和な雑食性の淡水魚（コイ科）。飼育難度は初心者向き程度です。

飼育条件

水温: 18–24 °C
pH: 6–8
GH硬度: 5–19 dGH
成魚の体長: 2.7–3.8 cm
最小水槽: 38 L
泳ぐ水層: Mid-water swimmer; keep 6+
飼育難度: 簡単
性格: Peaceful
原産地: 南アジア（インド）

種の概要

Danio rerio is a Cyprinidae from South Asia (India). In the wild it prefers clear streams, rivers and still waters; in the aquarium it stays peaceful. Plan on 2.7–3.8 cm of adult fish at 18–24 °C. Related profiles: Danio margaritatus, Danio albolineatus, Danio choprae.

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: Smooth gravel and sand with open floor space
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 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: Egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes

よくある質問

zebra danioは飼育しやすい？

初心者でも安心。Peaceful。Keep 6+; larger groups settle better。

zebra danioの適水温と水質は？

18–24 °C を安定して維持。pH 6–8、GH 5–19 dGH。

zebra danioの大きさと水槽サイズは？

成魚 2.7–3.8 cm 前後。Mid-water swimmer; keep 6+のため 38 L 以上の水槽を推奨。

zebra danioの餌は？

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

zebra danio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。

zebra danioの原産地は？

南アジア（インド）のClear streams, rivers and still watersが生息地。

zebra danioは飛び出す？

飛び出す種。ふたをしっかり閉める。

zebra danioの繁殖は？

Egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes。Males are typically slimmer and more intensely colored; females fuller-bodied。