ゴールデンテトラ (Hemigrammus rodwayi)

科: Characidae

ゴールデンテトラ（Hemigrammus rodwayi）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 24–28 °C。

飼育条件

水温: 24–28 °C
pH: 6–8
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 rodwayi, a member of the family Characidae, comes from South America, where it inhabits blackwater streams and flooded forest. Mostly peaceful; larger species predatory and omnivore with carnivorous tilt, it grows to 4–5.8 cm and adapts well to a properly set-up aquarium in the 24–28 °C range. Other Hemigrammus species in our database include 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

ゴールデンテトラは飼育しやすい？

中級者向き。Mostly peaceful; larger species predatory。Strong shoalers; keep in groups of 8 or more。

ゴールデンテトラの適水温と水質は？

24–28 °C を安定して維持。pH 6–8、GH 5–19 dGH。

ゴールデンテトラの大きさと水槽サイズは？

成魚は 4–5.8 cm。最低 40 L。

ゴールデンテトラの餌は？

Omnivore with carnivorous tilt。1日2回の少量給餌が理想的。

ゴールデンテトラは混泳できる？

Mostly peaceful; larger species predatory；Strong shoalers; keep in groups of 8 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。

ゴールデンテトラの原産地は？

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

ゴールデンテトラは飛び出す？

リスクは低いが、ふたがあると安心。

ゴールデンテトラの繁殖は？

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