Can Neon tetra Live With Rummy-nose tetra?

Detailed assessment

Both Neon tetra and Rummy-nose tetra share a comfortable temperature range of 24–25°C (Neon tetra prefers 21–25°C, Rummy-nose tetra prefers 24–28°C). Their pH ranges overlap well at 5.5–7, so water chemistry is compatible. Both species have low aggression scores (Neon tetra: 1, Rummy-nose tetra: 1 out of 10), which supports peaceful cohabitation. Note: fish 2x+ larger may eat smaller tankmates With careful monitoring and adequate tank size these species can usually coexist, but be prepared to separate them if aggression or stress appears.