Molly tank mates

Good matches

21 of 98

The safest picks for mollies are guppies, platies and corydoras. Each match shares mollies' temperature and pH and leaves them alone.

Wants hard, alkaline water; soft acidic water makes mollies sick.

Temperature

72–82°F

pH

7.5–8.5

Temperament

Peaceful

Minimum tank

20 gal

With care

63

Avoid

14

Good tank mates

• Guppy72–82°F
• Platy72–80°F
• Corydoras72–79°F
• Swordtail72–79°F
• Mystery snail72–82°F
• Kissing gourami72–82°F
• Electric yellow cichlid75–82°F
• Nerite snail72–78°F
• Boesemani rainbowfish75–82°F
• Blue gourami72–82°F
• Firemouth cichlid75–82°F
• Peacock cichlid76–82°F
• Crayfish72–77°F
• Ramshorn snail72–80°F
• Endler's livebearer72–82°F
• Chinese algae eater74–80°F
• Paradise fish72–79°F
• Dojo loach72–77°F
• Assassin snail75–80°F
• Gold barb72–75°F
• Zebra danio72–77°F

Possible, with care

• Betta Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Pea puffer Pea puffers are aggressive, though mollies are big enough to shrug most of it off.
• Angelfish Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Tiger barb Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Neon tetra Different water: neon tetras want pH 6–7, mollies want pH 7.5–8.5.
• Common pleco Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• GloFish tetra Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Kuhli loach Different water: kuhli loaches want pH 5.5–7, mollies want pH 7.5–8.5.
• Koi At 24 inches a koi can swallow a small molly. Fast, alert fish usually stay out of reach.
• African dwarf frog African dwarf frogs eat slowly and nearly blind. Fast mollies will take the food first, so target-feed them.
• Bala shark Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Congo tetra Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Bristlenose pleco Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Bamboo shrimp Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Electric blue acara Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Rainbow shark Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Lemon tetra Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Clown pleco Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Amano shrimp Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Red tail shark Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Pictus catfish Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Ember tetra Different water: ember tetras want pH 5.5–7, mollies want pH 7.5–8.5.
• Cherry barb Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Yoyo loach Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Elephant nose fish Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Honey gourami Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Bolivian ram Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Black skirt tetra Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Upside down catfish Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Severum Different water: mollies want pH 7.5–8.5, severums want pH 6–7.
• Harlequin rasbora Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Apistogramma Different water: mollies want pH 7.5–8.5, apistogramma want pH 5–7.
• Otocinclus Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Odessa barb Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Rummy nose tetra Different water: rummy nose tetras want pH 5.5–7, mollies want pH 7.5–8.5.
• Silver dollar Different water: mollies want pH 7.5–8.5, silver dollars want pH 5–7.
• Sparkling gourami Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Celestial pearl danio Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Dwarf gourami Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Black neon tetra Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Tinfoil barb Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Serpae tetra Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Dwarf neon rainbowfish Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Chili rasbora Different water: chili rasboras want pH 4–7, mollies want pH 7.5–8.5.
• Kribensis Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Zebra loach Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Pencilfish Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Cardinal tetra Different water: cardinal tetras want pH 4.6–7, mollies want pH 7.5–8.5.
• Rosy barb Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Glass catfish Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Clown loach Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Pygmy cory Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Panda cory Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Hillstream loach Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Glowlight tetra Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Blood parrot Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Siamese algae eater Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Discus They only share 82°F. Keep the heater set there and steady.
• German blue ram Different water: rams want pH 5–7, mollies want pH 7.5–8.5.
• Zebra pleco Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Pearl gourami Water chemistry is a squeeze. The only pH that suits both is around 7.5.
• Killifish Different water: mollies want pH 7.5–8.5, killifish want pH 5.5–7.
• Hatchetfish Water chemistry is a squeeze. The only pH that suits both is around 7.5.

Avoid

• Axolotl Axolotls are coldwater animals (60–66°F); mollies need 72–82°F. No temperature suits both.
• Goldfish Goldfish are coldwater animals (60–74°F); mollies need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.
• Cherry shrimp A molly is big enough to swallow adult cherry shrimp.
• Ghost shrimp A molly is big enough to swallow adult ghost shrimp.
• Oscar An adult oscar eats fish that fit in its mouth, and at 4 inches mollies do.
• African cichlid African cichlids are aggressive and will bully peaceful mollies.
• Convict cichlid Convict cichlids are aggressive and will bully peaceful mollies.
• Bichir An adult bichir eats fish that fit in its mouth, and at 4 inches mollies do.
• Jack Dempsey An adult jack dempsey eats fish that fit in its mouth, and at 4 inches mollies do.
• Black ghost knife An adult black ghost knife eats fish that fit in its mouth, and at 4 inches mollies do.
• Fancy goldfish Fancy goldfish are coldwater animals (65–74°F); mollies need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.
• Flowerhorn An adult flowerhorn eats fish that fit in its mouth, and at 4 inches mollies do.
• White cloud minnow White cloud minnows are coldwater animals (60–72°F); mollies need 72–82°F. They meet only at 72°F, the edge of both ranges.
• Silver arowana An adult silver arowana eats fish that fit in its mouth, and at 4 inches mollies do.

Planning a mixed tank? The tank mate checker tests every pair at once. Or read the molly care sheet.