ヒガイ (Sarcocheilichthys variegatus)

科: Cyprinidae

ヒガイは日本に原生する温和な雑食性の淡水魚（コイ科）。飼育難度は中級者向き程度です。

飼育条件

水温: 18–26 °C
pH: 6.5–7.5
GH硬度: 5–15 dGH
成魚の体長: 10.4–14.9 cm
最小水槽: 149 L
泳ぐ水層: Mid-water swimmer
飼育難度: 中級
性格: Peaceful
原産地: 日本

種の概要

A Cyprinidae species native to Japan: Sarcocheilichthys variegatus lives mid-water swimmer over clear streams, rivers and still waters. Peaceful. Adults reach 10.4–14.9 cm. It is one of the aquarium-kept Sarcocheilichthys species we profile, alongside Sarcocheilichthys nigripinnis, Sarcocheilichthys sinensis, Sarcocheilichthys davidi.

原生環境

生息地: Clear streams, rivers and still waters
水流: Moderate flow
溶存酸素: Average oxygen needs

レイアウトと設備

底床: Fine sand
流木・石組: Driftwood, water-worn stones and shelters that mimic the native biotope
水草: Hardy plants on hardscape; keep the floor open

性格・餌・混泳

群泳性: Solitary, pairs or small groups
餌: Omnivore; quality prepared foods with variety
おすすめの混泳相手: Amur False Gudgeon — Similar size and water needs
China-Bitterling — Similar size and water needs
Acanthorhodeus chankaensis — Similar size and water needs
混泳しないほうがいい相手: Large aggressive cichlids — Bullying and injury risk
Known fin nippers — Constant stress and fin damage

繁殖と注意点

雌雄の違い: Males are typically slimmer and more intensely colored; females fuller-bodied
繁殖方法: Spawning; condition with rich foods and simulate seasonal changes

よくある質問

ヒガイは飼育しやすい？

難易度：中級。Peaceful。

ヒガイの適水温と水質は？

18–26 °C を安定して維持。pH 6.5–7.5、GH 5–15 dGH。

ヒガイの大きさと水槽サイズは？

成魚 10.4–14.9 cm 前後。Mid-water swimmerのため 149 L 以上の水槽を推奨。

ヒガイの餌は？

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

ヒガイは混泳できる？

Peaceful。混泳の相手：Amur False Gudgeon — Similar size and water needs, China-Bitterling — Similar size and water needs, Acanthorhodeus chankaensis — Similar size and water needs。Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damageは避ける。

ヒガイの原産地は？

日本のClear streams, rivers and still watersが生息地。

ヒガイの繁殖は？

繁殖：Spawning; condition with rich foods and simulate seasonal changes。Males are typically slimmer and more intensely colored; females fuller-bodied。