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.

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.

Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium context image from a Betta coexistence review.
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.
Real-world aquarium example showing multiple female Bettas observed in the same tank.
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.
Real-world aquarium example showing multiple female Bettas observed in the same tank.
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 example showing a Betta observed with Corydoras catfish and a Mystery Snail.
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 example showing a Betta observed with shrimp in a planted tank.
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 example showing a Betta observed with shrimp and snails.
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 example showing a Betta observed with shrimp.
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.

profile | checker

green

Honey 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

green

Ivory 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

green

Japanese 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

green

Pearl 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

caution

Black 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.
caution

Blue 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.
caution

Cherry 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.
caution

Ghost 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.
caution

Green 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.
caution

Orange 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.
caution

Snowball 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.
caution

Tangerine 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

avoid

Bladder Snail

  • predator_prey_riskBladder Snail is prey-sized compared with adult Betta.
avoid

Chili 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.
avoid

Crystal 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.
avoid

Ember 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.
avoid

Horned Nerite Snail

  • predator_prey_riskHorned Nerite Snail is prey-sized compared with adult Betta.
avoid

Malaysian Trumpet Snail

  • predator_prey_riskMalaysian Trumpet Snail is prey-sized compared with adult Betta.
avoid

Nerite Snail

  • predator_prey_riskNerite Snail is prey-sized compared with adult Betta.
avoid

Ramshorn Snail

  • predator_prey_riskRamshorn Snail is prey-sized compared with adult Betta.