Featherfin tetra, Flag tetra (Hemigrammus unilineatus)

科: Characidae

Featherfin tetra, Flag tetra（Hemigrammus unilineatus）はカラシン科に分類される淡水魚で、南米に分布する。成魚は約 4–5.8 cm、適水温 23–28 °C。

飼育条件

水温: 23–28 °C
pH: 6–7.5
GH硬度: 5–19 dGH
成魚の体長: 4–5.8 cm
最小水槽: 40 L
泳ぐ水層: Bottom-dwelling
飼育難度: 中級
性格: Mostly peaceful; larger species predatory
原産地: 南米

種の概要

Hemigrammus unilineatus is a Characidae from South America. In the wild it prefers blackwater streams and flooded forest; in the aquarium it stays mostly peaceful. Plan on 4–5.8 cm of adult fish at 23–28 °C. Related profiles: Hemigrammus bleheri, Hemigrammus ocellifer, Hemigrammus rhodostomus.

原生環境

生息地: Blackwater streams and flooded forest
水流: Still to gentle current
溶存酸素: Moderate

レイアウトと設備

底床: Dark sand and leaf litter
流木・石組: Driftwood and dense plant edges
水草: Floating and shaded plants appreciated

性格・餌・混泳

群泳性: Strong shoalers; keep in groups of 8 or more
餌: Omnivore with carnivorous tilt
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: Subtle; females fuller-bodied
繁殖方法: Egg-scatterer among fine plants

よくある質問

Featherfin tetra, Flag tetraは飼育しやすい？

難易度：中級。Mostly peaceful; larger species predatory。

Featherfin tetra, Flag tetraの適水温と水質は？

23–28 °C を安定して維持。pH 6–7.5、GH 5–19 dGH。

Featherfin tetra, Flag tetraの大きさと水槽サイズは？

成魚 4–5.8 cm 前後。Bottom-dwellingのため 40 L 以上の水槽を推奨。

Featherfin tetra, Flag tetraの餌は？

Omnivore with carnivorous tilt。人工飼料に冷凍餌を組み合わせて。

Featherfin tetra, Flag tetraは混泳できる？

可能。Mostly peaceful; larger species predatory。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。

Featherfin tetra, Flag tetraの原産地は？

原産地は南米。Blackwater streams and flooded forestに生息。Still to gentle current。Moderate。

Featherfin tetra, Flag tetraは飛び出す？

換水・メンテ時はふたを推奨。

Featherfin tetra, Flag tetraの繁殖は？

Egg-scatterer among fine plants。Subtle; females fuller-bodied。