メダマ (Sinibrama macrops)

科: Cyprinidae

メダマ（Sinibrama macrops）はコイ科に分類される淡水魚で、中国南部に分布する。成魚は約 13.7–20.1 cm、適水温 18–26 °C。

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: 13.7–20.1 cm
最小水槽: 485 L
泳ぐ水層: Active throughout the water column
飼育難度: 中級
性格: Peaceful; keep with similar-sized calm tankmates
原産地: 中国南部

種の概要

A Cyprinidae species native to southern China: Sinibrama macrops lives active throughout the water column over gravel. Peaceful; keep with similar-sized calm tankmates. Adults reach 13.7–20.1 cm. It is one of the aquarium-kept Sinibrama species we profile, alongside Sinibrama melrosei, Sinibrama wui, Sinibrama taeniatus.

原生環境

生息地: Clear streams and rivers over gravel
水流: Moderate, well-oxygenated current
溶存酸素: Appreciates well-oxygenated water

レイアウトと設備

底床: Fine gravel and sand
流木・石組: Water-worn stones and driftwood
水草: Hardy rooted plants along the margins

性格・餌・混泳

群泳性: Keep in a group of 4–6 for natural behaviour
餌: Omnivore; prepared foods with regular variety
おすすめの混泳相手: Similar-sized peaceful community fish — Compatible size and temperament
混泳しないほうがいい相手: Fin-nippers — Constant stress

繁殖と注意点

雌雄の違い: Males often slimmer and more colourful
繁殖方法: Breeding is straightforward scatter-spawning

よくある質問

メダマは飼育しやすい？

中級者向き。Peaceful; keep with similar-sized calm tankmates。Keep in a group of 4–6 for natural behaviour。

メダマの適水温と水質は？

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

メダマの大きさと水槽サイズは？

成魚 13.7–20.1 cm 前後。Active throughout the water columnのため 485 L 以上の水槽を推奨。

メダマの餌は？

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

メダマは混泳できる？

Peaceful; keep with similar-sized calm tankmates；Keep in a group of 4–6 for natural behaviour。向いているのはSimilar-sized peaceful community fish — Compatible size and temperament。Fin-nippers — Constant stressは不向き。

メダマの原産地は？

中国南部原産。Clear streams and rivers over gravel、Moderate, well-oxygenated current。

メダマは飛び出す？

換水・メンテ時はふたを推奨。

メダマの繁殖は？

繁殖：Breeding is straightforward scatter-spawning。Males often slimmer and more colourful。