ツチフキ (Abbottina rivularis)

科: Cyprinidae

ツチフキは中国、日本、朝鮮半島に原生する温和な雑食性の淡水魚（コイ科）。飼育難度は初心者向き程度です。

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: 13.2–18.9 cm
最小水槽: 189 L
泳ぐ水層: Bottom; rests and forages low; keep 5+
飼育難度: 簡単
性格: Peaceful
原産地: 日本、朝鲜半岛

種の概要

Abbottina rivularis of the family Cyprinidae is an aquarium-kept Cyprinidae. Peaceful and omnivore; quality prepared foods with variety, it grows to 13.2–18.9 cm and prefers 18–26 °C water. Other Abbottina species in our database include Abbottina liaoningensis, Abbottina obtusirostris.

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: Keep 5+; larger groups settle better
餌: Omnivore; quality prepared foods with variety
おすすめの混泳相手: China-Bitterling — Similar size and water needs
Acanthorhodeus chankaensis — Similar size and water needs
Striped Bitterling — 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

ツチフキは飼育しやすい？

初心者でも安心。Peaceful。Keep 5+; larger groups settle better。

ツチフキの適水温と水質は？

18–26 °C が目安。急変を避け、Standard heater to hold the mid-range steadily。

ツチフキの大きさと水槽サイズは？

成魚は約 13.2–18.9 cm。Bottom; rests and forages low; keep 5+。最小 189 L の水槽。

ツチフキの餌は？

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

ツチフキは混泳できる？

可能。Peaceful。おすすめ：China-Bitterling — 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。

ツチフキの原産地は？

日本、朝鲜半岛のClear streams, rivers and still watersが生息地。

ツチフキの繁殖は？

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