オオウナギ (Anguilla marmorata)

科: Anguillidae

オオウナギ（Anguilla marmorata）はウナギ科に分類される淡水魚で、中国南部沿岸・台湾に分布する。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: Middle of the water column
飼育難度: 中級
性格: Peaceful; keep with similar-sized calm tankmates
原産地: 中国南部沿岸・台湾

種の概要

Anguilla marmorata, a member of the family Anguillidae, comes from S China coasts & Taiwan, where it inhabits warm freshwater streams and lakes. Peaceful; keep with similar-sized calm tankmates and omnivore; prepared foods with regular variety, it grows to 52.5–77 cm and adapts well to a properly set-up aquarium in the 20–26 °C range. Other Anguilla species in our database include Anguilla japonica.

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: 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: Robust schooling cyprinids — Add activity without conflict
混泳しないほうがいい相手: Much larger predators — Risk at night

繁殖と注意点

雌雄の違い: Subtle external differences
繁殖方法: Breeding is straightforward scatter-spawning

よくある質問

オオウナギは飼育しやすい？

中級向き。水質の安定が重要。Peaceful; keep with similar-sized calm tankmates。Keep in a group of 4–6 for natural behaviour。

オオウナギの適水温と水質は？

20–26 °C を安定して維持。pH 6.5–7.5、GH 5–15 dGH。

オオウナギの大きさと水槽サイズは？

成魚は約 52.5–77 cm。Middle of the water column。最小 500 L の水槽。

オオウナギの餌は？

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

オオウナギは混泳できる？

Peaceful; keep with similar-sized calm tankmates；Keep in a group of 4–6 for natural behaviour。向いているのはRobust schooling cyprinids — Add activity without conflict。Much larger predators — Risk at nightは不向き。

オオウナギの原産地は？

中国南部沿岸・台湾のWarm freshwater streams and lakesが生息地。

オオウナギは飛び出す？

リスクは低いが、ふたがあると安心。

オオウナギの繁殖は？

繁殖：Breeding is straightforward scatter-spawning。Subtle external differences。