科: Osphronemidae
大口搏鱼为丝足鲈科鱼类，多数温和，游速缓慢，不宜与喧闹鱼混养，原生分布于东南亚。迷鳃呼吸者，像帆船一样巡游草面。成体约 4.5–6.6 cm，一对松散的伴侣关系，造景可隔开 rival，适宜水温 24–28 °C。水流要小，水草要浮。
Betta macrostoma is a Osphronemidae from Southeast Asia. In the wild it prefers still waters, rice paddies and slow streams; in the aquarium it stays mostly peaceful. Plan on 4.5–6.6 cm of adult fish at 24–28 °C. Related profiles: Betta imbellis, Betta smaragdina, Betta splendens.
中等难度，稳定水质比高端设备更关键。Mostly peaceful; slow, deliberate movers that dislike chaos，A pair bonds loosely; keep décor between rivals。
建议水温 24–28 °C，24.0–28.0 °C typical for the genus；Heater required; stable warmth。
成体 4.5–6.6 cm 左右，因其Upper; surface-oriented的习性，52 L 以上的缸更合适。
Omnivore; flakes, small pellets and frozen foods。建议人工饲料搭配冷冻或活饵，保证多样性。
Mostly peaceful; slow, deliberate movers that dislike chaos。推荐混养：Other calm labyrinth fish — Share the slow lane。避免与Fin-nippers like tiger barbs — Torn fins and endless stress同缸。
原生于东南亚，栖息于Still waters, rice paddies and slow streams。Still to very gentle water，Tolerates low oxygen; labyrinth breather。
该物种会跳缸——缸盖务必盖紧，换水时尤其注意。
Surface bubble-nester with dedicated male guarding。Males larger with longer fins。