ネオンテトラ (Paracheirodon innesi)

科: Characidae

ネオンテトラはペルー、コロンビア、ブラジルに原生する温和な雑食性の淡水魚（カラシン科）。飼育難度は初心者向き程度です。

飼育条件

水温: 22–26 °C
pH: 5.5–7
GH硬度: 2–10 dGH
成魚の体長: 3–4 cm
最小水槽: 40 L
泳ぐ水層: Mid-water shoaler
飼育難度: 簡単
性格: Peaceful; needs its own kind
原産地: Amazon basin — Peru, Colombia, Brazil

種の概要

A stripe of living neon over dark water — the tetra that sold the world on community aquaria. It needs soft, acidic water to show its best and a proper shoal to behave naturally.

原生環境

生息地: Blackwater tributaries and flooded forest
水流: Gentle
溶存酸素: Average; blackwater adapted

レイアウトと設備

底床: Dark sand; driftwood tannins help
流木・石組: Branches, leaf litter, dim light
水草: Crypts and floating cover

性格・餌・混泳

群泳性: 10+; shoals make it shine
餌: Omnivore; small granules and frozen foods
おすすめの混泳相手: Other small tetras — Cardinal and ember tetras
Dwarf corydoras — Same gentle register
Apistogramma — Quiet dwarf cichlid partner
混泳しないほうがいい相手: Large angelfish — Adults eat neons
Betta splendens — Nipped fins and stress
Barbs — Constant harassment

繁殖と注意点

雌雄の違い: Females are fuller-bodied; males are slimmer with a straighter blue line
繁殖方法: Egg-scatterer over fine plants; light-sensitive eggs; rarely bred at home.

よくある質問

ネオンテトラは飼育しやすい？

初心者でも安心。Peaceful。Keep 10+; larger groups settle better。

ネオンテトラの適水温と水質は？

20–26 °C が目安。急変を避け、Standard heater to hold the mid-range steadily。

ネオンテトラの大きさと水槽サイズは？

成魚 1.8–2.5 cm 前後。Mid-water swimmer; keep 10+のため 60 L 以上の水槽を推奨。

ネオンテトラの餌は？

Omnivore; quality prepared foods with variety。1日2回の少量給餌が理想的。

ネオンテトラは混泳できる？

可能。Peaceful。おすすめ：Amur False Gudgeon — Similar size and water needs, Acanthorhodeus chankaensis — Similar size and water needs, Striped Bitterling — Similar size and water needs。Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damageとの混泳は避ける。

ネオンテトラの原産地は？

东亚淡水水系のTea-stained blackwater creeksが生息地。

ネオンテトラの繁殖は？

繁殖：Egg-scatterer over fine plants; 极软酸性水（GH<2）并需避光孵化。雌鱼腹部更圆、体型略大。