Can Green terror Live With Oscar?

Detailed assessment

Both Green terror and Oscar share a comfortable temperature range of 20–24°C (Green terror prefers 20–24°C, Oscar prefers 20–28°C). Their pH ranges overlap well at 6.5–7.5, so water chemistry is compatible. Green terror has a temperament score of 3 (out of 5), which means it can be territorial or aggressive toward Oscar (score 3). Note: multiple territorial species in the same swim layer cause stress. With careful monitoring and adequate tank size these species can usually coexist, but be prepared to separate them if aggression or stress appears.