With caution — a betta and guppy can work, but watch the details.
Temperatures line up — both thrive around 76–82°F.
pH preferences overlap (7–7.5) — easy to keep both comfortable.
The betta can nip or bully a small peaceful guppy — add cover and space.
Plan on at least 10 gallons for the pair (the larger of their two minimums).
Can a betta and guppy live together?
With caution — a betta and guppy can work, but watch the details. Minimum tank for the pair is about 10 gallons.