Black Ruby Barb (Pethia nigrofasciata)

科: Cyprinidae

Black Ruby Barb（Pethia nigrofasciata）はコイ科に分類される淡水魚で、南米に分布する。成魚は約 4.5–6.6 cm、適水温 22–26 °C。

飼育条件

水温: 22–26 °C
pH: 6–6.5
GH硬度: 5–12 dGH
成魚の体長: 4.5–6.6 cm
最小水槽: 52 L
泳ぐ水層: Bottom-dwelling
飼育難度: 中級
性格: Mostly peaceful; some species nip fins
原産地: 南米

種の概要

A Cyprinidae species native to South America: Pethia nigrofasciata lives bottom-dwelling over gravel. Mostly peaceful; some species nip fins. Adults reach 4.5–6.6 cm. It is one of the aquarium-kept Pethia species we profile, alongside Pethia atra, Pethia conchonius, Pethia cumingii.

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

Black Ruby Barbは飼育しやすい？

中級向き。水質の安定が重要。Mostly peaceful; some species nip fins。Shoaling; keep in groups of 6 or more。

Black Ruby Barbの適水温と水質は？

適水温 22–26 °C。22–26 °C recorded range。Room temperature to heated, depending on origin。

Black Ruby Barbの大きさと水槽サイズは？

成魚 4.5–6.6 cm 前後。Bottom-dwellingのため 52 L 以上の水槽を推奨。

Black Ruby Barbの餌は？

Omnivore; prepared foods with regular vegetable matter。Fine gravel and sand上で採餌する性質を活かし、沈む餌も与える。

Black Ruby Barbは混泳できる？

可能。Mostly peaceful; some species nip fins。おすすめ：Similar-sized peaceful community fish — Similar size and water needs。Much smaller fish — May outcompete or bully tiny tankmatesとの混泳は避ける。

Black Ruby Barbの原産地は？

南米のClear streams and rivers over gravelが生息地。

Black Ruby Barbは飛び出す？

換水・メンテ時はふたを推奨。

Black Ruby Barbの繁殖は？

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