ヒメドジョウ (Lefua costata)

科: Nemacheilidae

ヒメドジョウは日本に原生する温和な雑食性の淡水魚（ネマケイラ科）。飼育難度は中級者向き程度です。

飼育条件

水温: 18–22 °C
pH: 6.5–7.5
GH硬度: 5–15 dGH
成魚の体長: 6.9–9.8 cm
最小水槽: 98 L
泳ぐ水層: Bottom; rests and forages low
飼育難度: 中級
性格: Peaceful
原産地: 日本

種の概要

Lefua costata, a member of the family Nemacheilidae, comes from Japan, where it inhabits clear streams, rivers and still waters. Peaceful and omnivore; quality prepared foods with variety, it grows to 6.9–9.8 cm and adapts well to a properly set-up aquarium in the 18–22 °C range. Other Lefua species in our database include Lefua echigonia, Lefua nikkonis.

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: Smooth gravel and sand with open floor space
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

ヒメドジョウは飼育しやすい？

難易度：中級。Peaceful。

ヒメドジョウの適水温と水質は？

18–22 °C が目安。急変を避け、Unheated or lightly heated; guard against summer heat。

ヒメドジョウの大きさと水槽サイズは？

成魚 6.9–9.8 cm 前後。Bottom; rests and forages lowのため 98 L 以上の水槽を推奨。

ヒメドジョウの餌は？

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

ヒメドジョウは混泳できる？

Peaceful；Solitary, pairs or small groups。向いているのは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は不向き。

ヒメドジョウの原産地は？

原産地は日本。Clear streams, rivers and still watersに生息。Moderate flow。Average oxygen needs。

ヒメドジョウの繁殖は？

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