Lenok (Brachymystax lenok)

科: Salmonidae

Lenok（Brachymystax lenok）はサケ科に分類される淡水魚。成魚は約 52.5–77 cm、適水温 20–26 °C。

飼育条件

水温: 20–26 °C
pH: 6.5–7.5
GH硬度: 5–15 dGH
成魚の体長: 52.5–77 cm
最小水槽: 500 L
泳ぐ水層: Bottom-dwelling
飼育難度: 中級
性格: Peaceful community fish

種の概要

Brachymystax lenok is a Salmonidae. In the aquarium it stays peaceful community fish. Plan on 52.5–77 cm of adult fish at 20–26 °C. In a community tank it pairs well with Similar-sized peaceful community fish.

原生環境

生息地: Warm freshwater streams and lakes
水流: Still to gentle current
溶存酸素: Moderate oxygen levels

レイアウトと設備

底床: Fine sand and gravel
流木・石組: Driftwood and smooth stones
水草: Hardy common aquarium plants

性格・餌・混泳

群泳性: Small groups recommended
餌: Omnivore; quality prepared foods
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 external differences
繁殖方法: Not documented in home aquaria

よくある質問

Lenokは飼育しやすい？

難易度：中級。Peaceful community fish。

Lenokの適水温と水質は？

20–26 °C が目安。急変を避け、Stable temperature matching the species origin。

Lenokの大きさと水槽サイズは？

成魚 52.5–77 cm 前後。Bottom-dwellingのため 500 L 以上の水槽を推奨。

Lenokの餌は？

Omnivore; quality prepared foods。Fine sand and gravel上で採餌する性質を活かし、沈む餌も与える。

Lenokは混泳できる？

Peaceful community fish；Small groups recommended。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。

Lenokの原産地は？

Warm freshwater streams and lakesに生息。Still to gentle current。Moderate oxygen levels。

Lenokは飛び出す？

飛び出しの傾向は低い。標準のふたでOK。

Lenokの繁殖は？

繁殖：Not documented in home aquaria。Subtle external differences。