Can Siamese fighting fish Live With Rummy-nose tetra?

Detailed assessment

Both Siamese fighting fish and Rummy-nose tetra share a comfortable temperature range of 24–28°C (Siamese fighting fish prefers 24–30°C, Rummy-nose tetra prefers 24–28°C). Their pH ranges overlap well at 6–7, so water chemistry is compatible. Siamese fighting fish is moderately assertive (temperament score 5 out of 10) but generally tolerates peaceful tankmates like Rummy-nose tetra (score 1) when given enough space and cover. Overall, these two species can coexist peacefully in a well-maintained community tank with appropriate space.