Discover the best compatible tank mates for Betta by troubleshooting community setups. Candidates are ranked by shared water parameters, aquarium swim zone pressure, temperament, and predator/prey safety.
Tank size assumptions
Results assume at least the larger listed minimum tank size, full adult size, a cycled aquarium, proper group sizes, and normal filtration. Shrimp and fry are treated more cautiously than adult fish.
Best tank mates for Betta
Betta tank mates are conditional because Betta behavior changes by sex, temperament, cover, tank size, and fin-nipping pressure. Start with calm species that stay out of the Betta's space and use the checker before stocking.
Better patterns
Look first at bottom dwellers, snails, shrimp with hiding cover, and calm schooling fish in tanks large enough to give the Betta room.
Watch fin nippers
Avoid active or nippy fish that chase, crowd, or test long fins. Even small tetras and livebearers can become a problem in the wrong layout.
Use real context carefully
Observed Betta community photos are useful context, but they do not prove that every Betta will accept the same tank mates long term.
Observed photo context
Betta real aquarium photo context
These photos include Betta in real aquarium context. They are useful for visual review, but observed co-housing should not be treated as proof of long-term compatibility.
This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2696.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2697.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2698.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2699.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2700.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2701.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2702.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2703.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2704.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2705.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2706.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2707.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, and stocking. Source: IMG_2712.HEIC.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.Female Betta groups or sororities are advanced setups and can still involve aggression. This photo is an observed retail/community example, not proof that female Bettas are always safe together. Source: IMG_2724.HEIC.Female Betta groups and sororities are advanced setups and can still involve aggression.Female Betta groups or sororities are advanced setups and can still involve aggression. This photo is an observed retail/community example, not proof that female Bettas are always safe together. Source: IMG_2725.HEIC.Female Betta groups and sororities are advanced setups and can still involve aggression.Real-world aquarium photo showing a Betta observed with Corydoras catfish and a Mystery Snail in a planted setup. Source: IMG_2728.JPG.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.Real-world aquarium photo showing a Betta observed with shrimp in a planted setup. Source: IMG_2729.JPG.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.Real-world aquarium photo showing a Betta observed with shrimp and snails. Source: IMG_2730.JPG.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.Real-world aquarium photo showing a Betta observed with shrimp. Source: IMG_2733.JPG.This photo shows observed co-housing, not proof of long-term compatibility. Betta behavior varies by sex, temperament, tank size, cover, stocking, and individual hunting behavior.
Best matches
green
Pond Snail
Likely compatible | minimum 5 gallons
compatibleBetta and Pond Snail appear to have compatible basic water, size, and behavior requirements when normal husbandry needs are met.
compatibleBetta and Japanese Trapdoor Snail appear to have compatible basic water, size, and behavior requirements when normal husbandry needs are met.