Silver arowana tank mates

Good matches

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Arowanas are best kept on their own. No species we check passes every test.

Grows to three feet. A tank this big is a room-sized project.

Temperature

75–86°F

pH

6–7

Temperament

Aggressive

Minimum tank

250 gal

With care

4

Avoid

94

Possible, with care

• Mystery snail Water chemistry is a squeeze. The only pH that suits both is around 7.
• Assassin snail Water chemistry is a squeeze. The only pH that suits both is around 7.
• Ramshorn snail Water chemistry is a squeeze. The only pH that suits both is around 7.
• Nerite snail Water chemistry is a squeeze. The only pH that suits both is around 7.

Avoid

• Betta An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches bettas do.
• Axolotl Axolotls are coldwater animals (60–66°F); arowanas need 75–86°F. No temperature suits both.
• Kuhli loach An adult silver arowana eats fish that fit in its mouth, and at 3.5 inches kuhli loaches do.
• Angelfish An adult silver arowana eats fish that fit in its mouth, and at 6 inches angelfish do.
• Pea puffer An adult silver arowana eats fish that fit in its mouth, and at 1 inches pea puffers do.
• Oscar An adult silver arowana eats fish that fit in its mouth, and at 12 inches oscars do.
• Yoyo loach An adult silver arowana eats fish that fit in its mouth, and at 5 inches yoyo loaches do.
• Clown loach An adult silver arowana eats fish that fit in its mouth, and at 8 inches clown loaches do.
• Severum An adult silver arowana eats fish that fit in its mouth, and at 8 inches severums do.
• Ember tetra An adult silver arowana eats fish that fit in its mouth, and at 0.8 inches ember tetras do.
• Jack Dempsey An adult silver arowana eats fish that fit in its mouth, and at 10 inches jack dempseys do.
• Common pleco An adult silver arowana eats fish that fit in its mouth, and at 15 inches plecos do.
• Rummy nose tetra An adult silver arowana eats fish that fit in its mouth, and at 2 inches rummy nose tetras do.
• Apistogramma An adult silver arowana eats fish that fit in its mouth, and at 3 inches apistogramma do.
• Firemouth cichlid An adult silver arowana eats fish that fit in its mouth, and at 6 inches firemouth cichlids do.
• Cardinal tetra An adult silver arowana eats fish that fit in its mouth, and at 2 inches cardinal tetras do.
• Tiger barb An adult silver arowana eats fish that fit in its mouth, and at 3 inches tiger barbs do.
• Black ghost knife An adult silver arowana eats fish that fit in its mouth, and at 15 inches black ghost knives do.
• Congo tetra An adult silver arowana eats fish that fit in its mouth, and at 3 inches congo tetras do.
• Discus An adult silver arowana eats fish that fit in its mouth, and at 6 inches discus do.
• Chili rasbora An adult silver arowana eats fish that fit in its mouth, and at 0.8 inches chili rasboras do.
• German blue ram An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches rams do.
• Elephant nose fish An adult silver arowana eats fish that fit in its mouth, and at 9 inches elephant nose fish do.
• Corydoras An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches corydoras do.
• Neon tetra An adult silver arowana eats fish that fit in its mouth, and at 1.5 inches neon tetras do.
• Silver dollar An adult silver arowana eats fish that fit in its mouth, and at 6 inches silver dollars do.
• Bichir An adult silver arowana eats fish that fit in its mouth, and at 12 inches bichirs do.
• Kissing gourami An adult silver arowana eats fish that fit in its mouth, and at 10 inches kissing gouramis do.
• Bala shark An adult silver arowana eats fish that fit in its mouth, and at 13 inches bala sharks do.
• Zebra pleco An adult silver arowana eats fish that fit in its mouth, and at 3.5 inches zebra plecos do.
• Cherry barb An adult silver arowana eats fish that fit in its mouth, and at 2 inches cherry barbs do.
• Lemon tetra An adult silver arowana eats fish that fit in its mouth, and at 2 inches lemon tetras do.
• Pencilfish An adult silver arowana eats fish that fit in its mouth, and at 2 inches pencilfish do.
• Convict cichlid An adult silver arowana eats fish that fit in its mouth, and at 5 inches convict cichlids do.
• Goldfish Goldfish are coldwater animals (60–74°F); arowanas need 75–86°F. No temperature suits both.
• Guppy An adult silver arowana eats fish that fit in its mouth, and at 2 inches guppies do.
• Cherry shrimp Arowanas hunt shrimp. Adult cherry shrimp will be eaten.
• Bristlenose pleco An adult silver arowana eats fish that fit in its mouth, and at 5 inches bristlenose plecos do.
• Chinese algae eater An adult silver arowana eats fish that fit in its mouth, and at 10 inches chinese algae eaters do.
• Honey gourami An adult silver arowana eats fish that fit in its mouth, and at 2 inches honey gouramis do.
• Kribensis An adult silver arowana eats fish that fit in its mouth, and at 4 inches kribensis do.
• Black neon tetra An adult silver arowana eats fish that fit in its mouth, and at 1.5 inches black neon tetras do.
• Pictus catfish An adult silver arowana eats fish that fit in its mouth, and at 5 inches pictus catfish do.
• Harlequin rasbora An adult silver arowana eats fish that fit in its mouth, and at 2 inches harlequin rasboras do.
• Black skirt tetra An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches black skirt tetras do.
• Bolivian ram An adult silver arowana eats fish that fit in its mouth, and at 3 inches bolivian rams do.
• Electric blue acara An adult silver arowana eats fish that fit in its mouth, and at 6 inches electric blue acaras do.
• Rainbow shark An adult silver arowana eats fish that fit in its mouth, and at 6 inches rainbow sharks do.
• Otocinclus An adult silver arowana eats fish that fit in its mouth, and at 2 inches otocinclus do.
• Sparkling gourami An adult silver arowana eats fish that fit in its mouth, and at 1.5 inches sparkling gouramis do.
• Glowlight tetra An adult silver arowana eats fish that fit in its mouth, and at 1.5 inches glowlight tetras do.
• Ghost shrimp Arowanas hunt shrimp. Adult ghost shrimp will be eaten.
• Clown pleco An adult silver arowana eats fish that fit in its mouth, and at 3.5 inches clown plecos do.
• Bamboo shrimp Arowanas hunt shrimp. Adult bamboo shrimp will be eaten.
• Amano shrimp Arowanas hunt shrimp. Adult amano shrimp will be eaten.
• African cichlid Different water: african cichlids want pH 7.8–8.6, arowanas want pH 6–7.
• GloFish tetra An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches glofish do.
• Dwarf neon rainbowfish An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches dwarf neon rainbowfish do.
• African dwarf frog An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches african dwarf frogs do.
• Blue gourami An adult silver arowana eats fish that fit in its mouth, and at 5 inches blue gouramis do.
• Upside down catfish An adult silver arowana eats fish that fit in its mouth, and at 4 inches upside down catfish do.
• Serpae tetra An adult silver arowana eats fish that fit in its mouth, and at 1.75 inches serpae tetras do.
• Odessa barb An adult silver arowana eats fish that fit in its mouth, and at 3 inches odessa barbs do.
• Blood parrot An adult silver arowana eats fish that fit in its mouth, and at 8 inches blood parrots do.
• Red tail shark An adult silver arowana eats fish that fit in its mouth, and at 5 inches red tail sharks do.
• Zebra loach An adult silver arowana eats fish that fit in its mouth, and at 3.5 inches zebra loaches do.
• Glass catfish An adult silver arowana eats fish that fit in its mouth, and at 3 inches glass catfish do.
• Dwarf gourami An adult silver arowana eats fish that fit in its mouth, and at 3 inches dwarf gouramis do.
• Flowerhorn An adult silver arowana eats fish that fit in its mouth, and at 12 inches flowerhorns do.
• Koi Koi are coldwater animals (59–77°F); arowanas need 75–86°F. They overlap only at 75–77°F, the edge of both ranges.
• Pygmy cory An adult silver arowana eats fish that fit in its mouth, and at 1 inches pygmy corys do.
• Tinfoil barb An adult silver arowana eats fish that fit in its mouth, and at 12 inches tinfoil barbs do.
• Pearl gourami An adult silver arowana eats fish that fit in its mouth, and at 5 inches pearl gouramis do.
• Boesemani rainbowfish An adult silver arowana eats fish that fit in its mouth, and at 4 inches boesemani rainbowfish do.
• Celestial pearl danio An adult silver arowana eats fish that fit in its mouth, and at 1 inches celestial pearl danios do.
• Electric yellow cichlid Different water: yellow labs want pH 7.8–8.6, arowanas want pH 6–7.
• Siamese algae eater An adult silver arowana eats fish that fit in its mouth, and at 6 inches siamese algae eaters do.
• Hatchetfish An adult silver arowana eats fish that fit in its mouth, and at 1.5 inches hatchetfish do.
• Peacock cichlid Different water: peacock cichlids want pH 7.8–8.6, arowanas want pH 6–7.
• Panda cory An adult silver arowana eats fish that fit in its mouth, and at 2 inches panda corys do.
• Rosy barb An adult silver arowana eats fish that fit in its mouth, and at 4 inches rosy barbs do.
• Platy An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches platies do.
• Crayfish An adult silver arowana eats fish that fit in its mouth, and at 5 inches crayfish do.
• Paradise fish An adult silver arowana eats fish that fit in its mouth, and at 3.5 inches paradise fish do.
• White cloud minnow White cloud minnows are coldwater animals (60–72°F); arowanas need 75–86°F. No temperature suits both.
• Molly An adult silver arowana eats fish that fit in its mouth, and at 4 inches mollies do.
• Swordtail An adult silver arowana eats fish that fit in its mouth, and at 5 inches swordtails do.
• Hillstream loach An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches hillstream loaches do.
• Gold barb An adult silver arowana eats fish that fit in its mouth, and at 3 inches gold barbs do.
• Dojo loach An adult silver arowana eats fish that fit in its mouth, and at 6 inches dojo loaches do.
• Killifish An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches killifish do.
• Endler's livebearer An adult silver arowana eats fish that fit in its mouth, and at 1 inches endlers do.
• Zebra danio An adult silver arowana eats fish that fit in its mouth, and at 2 inches zebra danios do.
• Fancy goldfish Fancy goldfish are coldwater animals (65–74°F); arowanas need 75–86°F. No temperature suits both.

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