Rasbora jacobsoni

科: Cyprinidae

Rasbora jacobsoni（Rasbora jacobsoni）はコイ科に分類される淡水魚。成魚は約 3.5–5.2 cm、適水温 22–26 °C。

飼育条件

水温: 22–26 °C
pH: 6.2–7
GH硬度: 5–15 dGH
成魚の体長: 3.5–5.2 cm
最小水槽: 32 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

Rasbora jacobsoni is a Cyprinidae. In the aquarium it stays mostly peaceful. Plan on 3.5–5.2 cm of adult fish at 22–26 °C. Related profiles: Rasbora borapetensis, Rasbora caudimaculata, Rasbora einthovenii.

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

Rasbora jacobsoniは飼育しやすい？

難易度：中級。Mostly peaceful; some species nip fins。

Rasbora jacobsoniの適水温と水質は？

22–26 °C が目安。急変を避け、Room temperature to heated, depending on origin。

Rasbora jacobsoniの大きさと水槽サイズは？

成魚は 3.5–5.2 cm。最低 32 L。

Rasbora jacobsoniの餌は？

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

Rasbora jacobsoni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。

Rasbora jacobsoniの原産地は？

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

Rasbora jacobsoniは飛び出す？

リスクは低いが、ふたがあると安心。

Rasbora jacobsoniの繁殖は？

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