Can Harlequin rasbora Live With Neon tetra?

Detailed assessment

Both Harlequin rasbora and Neon tetra share a comfortable temperature range of 21–25°C (Harlequin rasbora prefers 21–28°C, Neon tetra prefers 21–25°C). Their pH ranges overlap well at 5–7.5, so water chemistry is compatible. Both species have low aggression scores (Harlequin rasbora: 1, Neon tetra: 1 out of 5), which supports peaceful cohabitation. Overall, these two species can coexist peacefully in a well-maintained community tank with appropriate space.