Fraser Danio (Devario fraseri)

科: Cyprinidae

Fraser Danio（Devario fraseri）はコイ科に分類される淡水魚。成魚は約 7.5–11 cm、適水温 23–25 °C。

飼育条件

水温: 23–25 °C
pH: 6.5–7.5
GH硬度: 5–15 dGH
成魚の体長: 7.5–11 cm
最小水槽: 145 L
泳ぐ水層: Bottom-dwelling
飼育難度: 中級
性格: Mostly peaceful; some species nip fins

種の概要

A Cyprinidae species: Devario fraseri lives bottom-dwelling over gravel. Mostly peaceful; some species nip fins. Adults reach 7.5–11 cm. It is one of the aquarium-kept Devario species we profile, alongside Devario regina, Devario sondhii, Devario devario.

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: Shoaling; keep in groups of 6 or more
餌: Omnivore; prepared foods with regular vegetable matter
おすすめの混泳相手: Similar-sized peaceful community fish — Similar size and water needs
混泳しないほうがいい相手: Much smaller fish — May outcompete or bully tiny tankmates

繁殖と注意点

雌雄の違い: Males often slimmer and more colourful
繁殖方法: Egg-scatterer; no parental care

よくある質問

Fraser Danioは飼育しやすい？

中級者向き。Mostly peaceful; some species nip fins。Shoaling; keep in groups of 6 or more。

Fraser Danioの適水温と水質は？

適水温 23–25 °C。23–25.0 °C typical for the genus。Room temperature to heated, depending on origin。

Fraser Danioの大きさと水槽サイズは？

成魚は 7.5–11 cm。最低 145 L。

Fraser Danioの餌は？

Omnivore; prepared foods with regular vegetable matter。1日2回の少量給餌が理想的。

Fraser Danioは混泳できる？

Mostly peaceful; some species nip fins。混泳の相手：Similar-sized peaceful community fish — Similar size and water needs。Much smaller fish — May outcompete or bully tiny tankmatesは避ける。

Fraser Danioの原産地は？

生息地はClear streams and rivers over gravel。Moderate, well-oxygenated current。

Fraser Danioは飛び出す？

換水・メンテ時はふたを推奨。

Fraser Danioの繁殖は？

Egg-scatterer; no parental care。Males often slimmer and more colourful。