Pygmy Catfish (Corydoras pygmaeus)

科: Callichthyidae

Pygmy Catfish（Corydoras pygmaeus）はカリクチス科に分類される淡水魚で、南米に分布する。成魚は約 4.9–7.3 cm、適水温 21–25 °C。

飼育条件

水温: 21–25 °C
pH: 6–8
GH硬度: 2–25 dGH
成魚の体長: 4.9–7.3 cm
最小水槽: 64 L
泳ぐ水層: Bottom-dwelling
飼育難度: 中級
性格: Peaceful giant of the bottom, indifferent to mid-water life
原産地: 南米

種の概要

Corydoras pygmaeus, a member of the family Callichthyidae, comes from South America, where it inhabits slow streams over sand. Peaceful giant of the bottom, indifferent to mid-water life and opportunistic bottom-feeder with a broad palate, it grows to 4.9–7.3 cm and adapts well to a properly set-up aquarium in the 21–25 °C range. Other Corydoras species in our database include Corydoras aeneus, Corydoras paleatus, Corydoras panda.

原生環境

生息地: Slow streams over sand
水流: Gentle
溶存酸素: Moderate

レイアウトと設備

底床: Fine sand
流木・石組: Driftwood and broad-leaf shade
水草: Hardy low-light species

性格・餌・混泳

群泳性: Singly or in small groups depending on species size
餌: Opportunistic bottom-feeder with a broad palate
おすすめの混泳相手: Mid-water schooling fish — Use the space catfish ignore
混泳しないほうがいい相手: Fast surface feeders — Leave nothing for the bottom

繁殖と注意点

雌雄の違い: Females rounder
繁殖方法: Egg-depositing in hollows; some guard, some abandon

よくある質問

Pygmy Catfishは飼育しやすい？

中級向き。水質の安定が重要。Peaceful giant of the bottom, indifferent to mid-water life。Singly or in small groups depending on species size。

Pygmy Catfishの適水温と水質は？

21–25 °C が目安。急変を避け、Stable tropical range。

Pygmy Catfishの大きさと水槽サイズは？

成魚 4.9–7.3 cm 前後。Bottom-dwellingのため 64 L 以上の水槽を推奨。

Pygmy Catfishの餌は？

Opportunistic bottom-feeder with a broad palate。Fine sand上で採餌する性質を活かし、沈む餌も与える。

Pygmy Catfishは混泳できる？

可能。Peaceful giant of the bottom, indifferent to mid-water life。おすすめ：Mid-water schooling fish — Use the space catfish ignore。Fast surface feeders — Leave nothing for the bottomとの混泳は避ける。

Pygmy Catfishの原産地は？

南米のSlow streams over sandが生息地。

Pygmy Catfishの繁殖は？

Egg-depositing in hollows; some guard, some abandon。Females rounder。