トンキントゲタナゴ (Acheilognathus tonkinensis)

科: Cyprinidae

トンキントゲタナゴ（Acheilognathus tonkinensis）はコイ科に分類される淡水魚で、越北・紅河流域に分布する。成魚は約 6.5–9.6 cm、適水温 15–25 °C。

飼育条件

水温: 15–25 °C
pH: 6.5–7.5
GH硬度: 5–15 dGH
成魚の体長: 6.5–9.6 cm
最小水槽: 111 L
泳ぐ水層: Active throughout the water column
飼育難度: 中級
性格: Gentle community fish that dislikes fin-nippers
原産地: 越北・紅河流域

種の概要

Acheilognathus tonkinensis, a member of the family Cyprinidae, comes from Red River basin, N Vietnam, where it inhabits clear streams and rivers over gravel. Gentle community fish that dislikes fin-nippers and unfussy omnivore; quality flakes plus blanched greens, it grows to 6.5–9.6 cm and adapts well to a properly set-up aquarium in the 15–25 °C range. Other Acheilognathus species in our database include Acheilognathus barbatulus, Acheilognathus cyanostigma, Acheilognathus gracilis.

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: Shoaling; keep at least 8 together
餌: Unfussy omnivore; quality flakes plus blanched greens
おすすめの混泳相手: White-cloud mountain minnows — Share its calm, cool temperament
混泳しないほうがいい相手: Large or boisterous fish — Outcompeted at feeding time

繁殖と注意点

雌雄の違い: Males often slimmer and more colourful
繁殖方法: Mussel-brooding egg-scatterer; the male guards the mussel territory

よくある質問

トンキントゲタナゴは飼育しやすい？

難易度：中級。Gentle community fish that dislikes fin-nippers。

トンキントゲタナゴの適水温と水質は？

15–25 °C が目安。急変を避け、Room temperature to heated, depending on origin。

トンキントゲタナゴの大きさと水槽サイズは？

成魚 6.5–9.6 cm 前後。Active throughout the water columnのため 111 L 以上の水槽を推奨。

トンキントゲタナゴの餌は？

Unfussy omnivore; quality flakes plus blanched greens。人工飼料に冷凍餌を組み合わせて。

トンキントゲタナゴは混泳できる？

Gentle community fish that dislikes fin-nippers。混泳の相手：White-cloud mountain minnows — Share its calm, cool temperament。Large or boisterous fish — Outcompeted at feeding timeは避ける。

トンキントゲタナゴの原産地は？

越北・紅河流域のClear streams and rivers over gravelが生息地。

トンキントゲタナゴは飛び出す？

リスクは低いが、ふたがあると安心。

トンキントゲタナゴの繁殖は？

Mussel-brooding egg-scatterer; the male guards the mussel territory。Males often slimmer and more colourful。