Best Betta tank mates
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.
Best matches
greenPond 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.
profile | checker
greenHoney Gourami
Likely compatible | minimum 10 gallons
- compatibleBetta and Honey Gourami appear to have compatible basic water, size, and behavior requirements when normal husbandry needs are met.
profile | checker
greenIvory Mystery Snail
Likely compatible | minimum 10 gallons
- compatibleBetta and Ivory Mystery Snail appear to have compatible basic water, size, and behavior requirements when normal husbandry needs are met.
profile | checker
greenJapanese Trapdoor Snail
Likely compatible | minimum 10 gallons
- compatibleBetta and Japanese Trapdoor Snail appear to have compatible basic water, size, and behavior requirements when normal husbandry needs are met.
profile | checker
greenPearl Gourami
Likely compatible | minimum 30 gallons
- compatibleBetta and Pearl Gourami appear to have compatible basic water, size, and behavior requirements when normal husbandry needs are met.
profile | checker
Caution matches
cautionBlack Rose Shrimp
Minimum 5 gallons before group size and layout adjustments.
- shrimp_predation_riskBetta may eat shrimplets or stressed shrimp.
- schooling_size_issueBlack Rose Shrimp should be kept in a group of at least 10, not as a single add-on.
cautionBlue Dream Shrimp
Minimum 5 gallons before group size and layout adjustments.
- shrimp_predation_riskBetta may eat shrimplets or stressed shrimp.
- schooling_size_issueBlue Dream Shrimp should be kept in a group of at least 10, not as a single add-on.
cautionCherry Shrimp
Minimum 5 gallons before group size and layout adjustments.
- shrimp_predation_riskBetta may eat shrimplets or stressed shrimp.
- schooling_size_issueCherry Shrimp should be kept in a group of at least 10, not as a single add-on.
cautionGhost Shrimp
Minimum 5 gallons before group size and layout adjustments.
- shrimp_predation_riskBetta may eat shrimplets or stressed shrimp.
- schooling_size_issueGhost Shrimp should be kept in a group of at least 5, not as a single add-on.
cautionGreen Jade Shrimp
Minimum 5 gallons before group size and layout adjustments.
- shrimp_predation_riskBetta may eat shrimplets or stressed shrimp.
- schooling_size_issueGreen Jade Shrimp should be kept in a group of at least 10, not as a single add-on.
cautionOrange Sakura Shrimp
Minimum 5 gallons before group size and layout adjustments.
- shrimp_predation_riskBetta may eat shrimplets or stressed shrimp.
- schooling_size_issueOrange Sakura Shrimp should be kept in a group of at least 10, not as a single add-on.
cautionSnowball Shrimp
Minimum 5 gallons before group size and layout adjustments.
- shrimp_predation_riskBetta may eat shrimplets or stressed shrimp.
- schooling_size_issueSnowball Shrimp should be kept in a group of at least 10, not as a single add-on.
cautionTangerine Tiger Shrimp
Minimum 5 gallons before group size and layout adjustments.
- temperature_mismatchThe shared temperature window is narrow at 76-76F.
- shrimp_predation_riskBetta may eat shrimplets or stressed shrimp.
- schooling_size_issueTangerine Tiger Shrimp should be kept in a group of at least 10, not as a single add-on.
Avoid matches
avoidBladder Snail
- predator_prey_riskBladder Snail is prey-sized compared with adult Betta.
avoidChili Rasbora
- predator_prey_riskChili Rasbora is prey-sized compared with adult Betta.
- schooling_size_issueChili Rasbora should be kept in a group of at least 8, not as a single add-on.
avoidCrystal Red Shrimp
- temperature_mismatchNo shared temperature range: Betta is 76-82F and Crystal Red Shrimp is 68-74F.
- shrimp_predation_riskBetta may eat shrimplets or stressed shrimp.
- schooling_size_issueCrystal Red Shrimp should be kept in a group of at least 10, not as a single add-on.
avoidEmber Tetra
- predator_prey_riskEmber Tetra is prey-sized compared with adult Betta.
- schooling_size_issueEmber Tetra should be kept in a group of at least 8, not as a single add-on.
avoidHorned Nerite Snail
- predator_prey_riskHorned Nerite Snail is prey-sized compared with adult Betta.
avoidMalaysian Trumpet Snail
- predator_prey_riskMalaysian Trumpet Snail is prey-sized compared with adult Betta.
avoidNerite Snail
- predator_prey_riskNerite Snail is prey-sized compared with adult Betta.
avoidRamshorn Snail
- predator_prey_riskRamshorn Snail is prey-sized compared with adult Betta.