Wild Betta are notably known not only for their excellent pattern but also finicky character―particularly when they are bred―and getting stress easily because of the water changing, Macrostoma as an example.
To spawn a pair of the mouth brooder requires a stable temperature. Another condition is that the ambiance of the 60 cm x 30 cm aquarium should be calm. Such principles have made Hermanus J Hariyanto successful in spawning macrostoma with 90% survival rate. (Lastioro Anmi Tambunan)
