ベタ (Betta splendens)

科: Osphronemidae

Chinese Fighting Fishはタイ、カンボジア、ラオスに原生するやや攻撃的な肉食性の淡水魚（オスフロネムス科）。飼育難度は初心者向き程度です。

飼育条件

水温: 24–30 °C
pH: 6–7.5
GH硬度: 3–12 dGH
成魚の体長: 6–8 cm
最小水槽: 15 L
泳ぐ水層: All layers; surface breather
飼育難度: 中級
性格: Aggressive to males; serene toward most others
原産地: Thailand — Mekong and Chao Phraya basins

種の概要

Bred for centuries in Thailand for fighting prowess, then for impossible fins. A heated, calm, well-planted tank turns it into living stained glass. Males must live alone.

原生環境

生息地: Warm still waters, rice paddies, canals
水流: Still
溶存酸素: Labyrinth organ; low-O₂ tolerant

レイアウトと設備

底床: Dark substrate flares the reds
流木・石組: Caves and broad-leaf anchors
水草: Dense — a planted tank shows it best

性格・餌・混泳

群泳性: One male per tank; females in sororities of 5+
餌: Carnivore; betta pellets plus frozen foods
おすすめの混泳相手: Corydoras — Peaceful bottom dwellers
Nerite snails — Ignored completely
Kuhli loaches — Nocturnal and unobtrusive
混泳しないほうがいい相手: Another betta male — Fight to the death
Guppies — Fin rivalry and nipping
Tiger barbs — Fin shredding

繁殖と注意点

雌雄の違い: Males carry the long show fins; females are smaller with a visible egg spot
繁殖方法: Bubble-nest builder; the male guards the nest; remove the female after spawning.

よくある質問

Chinese Fighting Fishは飼育しやすい？

飼育しやすい初心者向き。Semi-aggressive; one male per tank。Solitary, pairs or small groups。

Chinese Fighting Fishの適水温と水質は？

適水温 24–30 °C。24–30 °C recorded range。Heater required for stable tropical warmth。

Chinese Fighting Fishの大きさと水槽サイズは？

成魚は 4.5–6.5 cm。最低 65 L。

Chinese Fighting Fishの餌は？

Carnivore; quality prepared foods with variety; regular frozen or live foods。人工飼料に冷凍餌を組み合わせて。

Chinese Fighting Fishは混泳できる？

可能。Semi-aggressive; one male per tank。おすすめ：Amur False Gudgeon — Similar size and water needs, Striped Bitterling — Similar size and water needs, Acheilognathus gracilis — Similar size and water needs。Its own males — Territorial fighting, Long-finned fish — Prone to fin nipping, Fin-nipping species — Its fins become targetsとの混泳は避ける。

Chinese Fighting Fishの原産地は？

原産地は东亚淡水水系。Clear streams, rivers and still watersに生息。Still to very gentle water。Tolerates low oxygen。

Chinese Fighting Fishは飛び出す？

驚くと跳ねる。密閉ふたを。

Chinese Fighting Fishの繁殖は？

Bubble nester; condition with rich foods and simulate seasonal changes。Males are typically slimmer and more intensely colored; females fuller-bodied。