スレンダーラスボラ (Rasbora daniconius)

科: Cyprinidae

Blackline Rasbora（Rasbora daniconius）はコイ科に分類される淡水魚。成魚は約 11.2–16.5 cm、適水温 24–26 °C。

飼育条件

水温: 24–26 °C
pH: 6.2–7
GH硬度: 5–15 dGH
成魚の体長: 11.2–16.5 cm
最小水槽: 327 L
泳ぐ水層: Active throughout the water column
飼育難度: 中級
性格: Mostly peaceful; some species nip fins

種の概要

A Cyprinidae species: Rasbora daniconius lives active throughout the water column over gravel. Mostly peaceful; some species nip fins. Adults reach 11.2–16.5 cm. It is one of the aquarium-kept Rasbora species we profile, alongside 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

スレンダーラスボラは飼育しやすい？

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

スレンダーラスボラの適水温と水質は？

24–26 °C を安定して維持。pH 6.2–7、GH 5–15 dGH。

スレンダーラスボラの大きさと水槽サイズは？

成魚 11.2–16.5 cm 前後。Active throughout the water columnのため 327 L 以上の水槽を推奨。

スレンダーラスボラの餌は？

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

スレンダーラスボラは混泳できる？

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。

スレンダーラスボラの原産地は？

Clear streams and rivers over gravelに生息。Moderate, well-oxygenated current。Appreciates well-oxygenated water。

スレンダーラスボラは飛び出す？

換水・メンテ時はふたを推奨。

スレンダーラスボラの繁殖は？

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