Systomus gracilus

科: Cyprinidae

Systomus gracilus（Systomus gracilus）はコイ科に分類される淡水魚。成魚は約 15.8–23.1 cm、適水温 22–26 °C。

飼育条件

水温
22–26 °C
pH
6.5–7.5
GH硬度
1–18 dGH
成魚の体長
15.8–23.1 cm
最小水槽
500 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: Systomus gracilus lives active throughout the water column over gravel. Mostly peaceful; some species nip fins. Adults reach 15.8–23.1 cm. It is one of the aquarium-kept Systomus species we profile, alongside Systomus asoka, Systomus barbatus, Systomus clavatus.

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

Systomus gracilus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。

Systomus gracilusの適水温と水質は？

適水温 22–26 °C。22.0–26.0 °C typical for the genus。Room temperature to heated, depending on origin。

Systomus gracilusの大きさと水槽サイズは？

成魚は 15.8–23.1 cm。最低 500 L。

Systomus gracilus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。

Systomus gracilusは混泳できる？

Mostly peaceful; some species nip fins；Shoaling; keep in groups of 6 or more。向いているのはSimilar-sized peaceful community fish — Similar size and water needs。Much smaller fish — May outcompete or bully tiny tankmatesは不向き。

Systomus gracilusの原産地は？

Clear streams and rivers over gravelが生息地。

Systomus gracilusは飛び出す？

リスクは低いが、ふたがあると安心。

Systomus gracilusの繁殖は？

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