Tank mates for golden wonder killifish
We checked golden wonder killifish against all 149 other species in our database for water temperature, pH, size, fin nipping, predation and aggression.
Good tank mates for golden wonder killifish include nerite snail, bristlenose pleco, bronze corydoras, angelfish, tiger barb and assassin snail. Avoid cherry shrimp, neon tetra and oscar: golden wonder killifish eats small shrimp like cherry shrimp.
Golden wonder killifish: 22–26°C (72–79°F), pH 6–7.5, adult size 9 cm (3.5 in), minimum tank 20 gallons (76 L). Full golden wonder killifish care guide.
Good Compatible tank mates (63)
Shared water conditions and no known conflict. Still add fish slowly and watch them.
Angelfish
15 cm (5.9 in) · 29+ gal
Bristlenose pleco
12 cm (4.7 in) · 20+ gal
Bronze corydoras
7 cm (2.8 in) · 20+ gal · groups of 6+
Common pleco
40 cm (15.7 in) · 150+ gal
Nerite snail
2.5 cm (1 in) · 5+ gal
Tiger barb
7 cm (2.8 in) · 29+ gal · groups of 8+
Assassin snail
2.5 cm (1 in) · 5+ gal
Bala shark
30 cm (11.8 in) · 230+ gal · groups of 5+
Black skirt tetra
6 cm (2.4 in) · 20+ gal · groups of 8+
Blood parrot cichlid
20 cm (7.9 in) · 55+ gal
Denison barb
13 cm (5.1 in) · 75+ gal · groups of 6+
Dwarf neon rainbowfish
6 cm (2.4 in) · 20+ gal · groups of 6+
Electric blue acara
15 cm (5.9 in) · 40+ gal
Firemouth cichlid
13 cm (5.1 in) · 29+ gal
Julii corydoras
5.5 cm (2.2 in) · 20+ gal · groups of 6+
Kribensis
10 cm (3.9 in) · 29+ gal
Kuhli loach
9 cm (3.5 in) · 20+ gal · groups of 6+
Malaysian trumpet snail
2.5 cm (1 in) · 10+ gal
Molly
10 cm (3.9 in) · 29+ gal · groups of 3+
Mystery snail
5 cm (2 in) · 10+ gal
Pearl gourami
11.5 cm (4.5 in) · 29+ gal
Peppered corydoras
6.5 cm (2.6 in) · 20+ gal · groups of 6+
Pictus catfish
13 cm (5.1 in) · 75+ gal · groups of 3+
Platy
6 cm (2.4 in) · 15+ gal · groups of 3+
Rainbow shark
15 cm (5.9 in) · 75+ gal
Ramshorn snail
2 cm (0.8 in) · 5+ gal
Red-tail shark
12 cm (4.7 in) · 75+ gal
Siamese algae eater
15 cm (5.9 in) · 55+ gal
Silver dollar
15 cm (5.9 in) · 75+ gal · groups of 5+
Sterbai corydoras
6.5 cm (2.6 in) · 20+ gal · groups of 6+
Yoyo loach
13 cm (5.1 in) · 75+ gal · groups of 5+
Bleeding heart tetra
6.5 cm (2.6 in) · 29+ gal · groups of 8+
Bolivian ram
8 cm (3.1 in) · 29+ gal
Buenos Aires tetra
7 cm (2.8 in) · 29+ gal · groups of 8+
Bumblebee catfish
7.5 cm (3 in) · 20+ gal
Clown pleco
9 cm (3.5 in) · 20+ gal
Cockatoo cichlid
7.5 cm (3 in) · 20+ gal
Congo tetra
8 cm (3.1 in) · 40+ gal · groups of 6+
Diamond tetra
6 cm (2.4 in) · 20+ gal · groups of 6+
Dwarf chain loach
6 cm (2.4 in) · 29+ gal · groups of 6+
Emerald green corydoras
8 cm (3.1 in) · 55+ gal · groups of 6+
Gardneri killifish
6 cm (2.4 in) · 10+ gal
Giant danio
10 cm (3.9 in) · 55+ gal · groups of 6+
Glass catfish
7 cm (2.8 in) · 29+ gal · groups of 6+
Kissing gourami
20 cm (7.9 in) · 75+ gal
Odessa barb
6 cm (2.4 in) · 20+ gal · groups of 6+
Panda garra
8.5 cm (3.3 in) · 29+ gal · groups of 3+
Peacock gudgeon
6 cm (2.4 in) · 15+ gal · groups of 2+
Red rainbowfish
12 cm (4.7 in) · 40+ gal · groups of 6+
Ropefish
35 cm (13.8 in) · 75+ gal
Rubber lip pleco
14 cm (5.5 in) · 29+ gal
Scissortail rasbora
12 cm (4.7 in) · 55+ gal · groups of 6+
Severum
20 cm (7.9 in) · 55+ gal
Swordtail
12 cm (4.7 in) · 29+ gal · groups of 4+
Tinfoil barb
30 cm (11.8 in) · 200+ gal · groups of 6+
Turquoise rainbowfish
11 cm (4.3 in) · 29+ gal · groups of 6+
Upside-down catfish
9.5 cm (3.7 in) · 29+ gal · groups of 4+
Zebra loach
9 cm (3.5 in) · 29+ gal · groups of 5+
Black ruby barb
6 cm (2.4 in) · 20+ gal · groups of 6+
Keyhole cichlid
10 cm (3.9 in) · 29+ gal · groups of 2+
Pearl danio
6 cm (2.4 in) · 20+ gal · groups of 6+
Thick-lipped gourami
9 cm (3.5 in) · 20+ gal
Variatus platy
6 cm (2.4 in) · 15+ gal · groups of 3+
Caution Possible, with care (47)
These can work in the right setup, but there is a real risk. Read the reason first.
- Betta fish · 5+ gal
- Betta fish defends its patch of the tank and may chase golden wonder killifish, which use the same area.
- Common goldfish · 75+ gal
- Their temperature ranges barely overlap (only around 22–22°C).
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Dwarf gourami · 15+ gal
- Dwarf gourami defends its patch of the tank and may chase golden wonder killifish, which use the same area.
- Fancy goldfish · 20+ gal
- Their temperature ranges barely overlap (only around 22–23°C).
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Guppy · 10+ gal
- Golden wonder killifish may eat guppies, especially young or small ones.
- Panda corydoras · 15+ gal
- Golden wonder killifish may eat panda corydoras, especially young or small ones.
- Zebra danio · 20+ gal
- Golden wonder killifish may eat zebra danios, especially young or small ones.
- Amano shrimp · 10+ gal
- Golden wonder killifish hunts shrimp. Larger amano shrimp sometimes survive, but expect losses.
- Boesemani rainbowfish · 29+ gal
- Their temperature ranges barely overlap (only around 26–26°C).
- Cherry barb · 15+ gal
- Golden wonder killifish may eat cherry barbs, especially young or small ones.
- Chinese algae eater · 80+ gal
- Chinese algae eater is aggressive. Golden wonder killifish can hold their own only in a large tank with plenty of cover.
- Clown loach · 180+ gal
- Their temperature ranges barely overlap (only around 25–26°C).
- Convict cichlid · 29+ gal
- Convict cichlid is aggressive. Golden wonder killifish can hold their own only in a large tank with plenty of cover.
- Dojo loach · 75+ gal
- Their temperature ranges barely overlap (only around 22–23°C).
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Ghost shrimp · 10+ gal
- Golden wonder killifish hunts shrimp. Larger ghost shrimp sometimes survive, but expect losses.
- Harlequin rasbora · 15+ gal
- Golden wonder killifish may eat harlequin rasboras, especially young or small ones.
- Hillstream loach · 20+ gal
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Honey gourami · 10+ gal
- Golden wonder killifish may eat honey gouramis, especially young or small ones.
- Jack Dempsey · 55+ gal
- Jack Dempsey is aggressive. Golden wonder killifish can hold their own only in a large tank with plenty of cover.
- Rosy barb · 29+ gal
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Rummy-nose tetra · 29+ gal
- Golden wonder killifish may eat rummy-nose tetras, especially young or small ones.
- Senegal bichir · 90+ gal
- Senegal bichir may eat golden wonder killifish, especially young or small ones.
- Three spot gourami · 29+ gal
- Three spot gourami defends its patch of the tank and may chase golden wonder killifish, which use the same area.
- X-ray tetra · 15+ gal
- Golden wonder killifish may eat x-ray tetras, especially young or small ones.
- African butterfly fish · 29+ gal
- African butterfly fish defends its patch of the tank and may chase golden wonder killifish, which use the same area.
- Agassiz's dwarf cichlid · 20+ gal
- Their temperature ranges barely overlap (only around 25–26°C).
- Bamboo shrimp · 20+ gal
- Golden wonder killifish hunts shrimp. Larger bamboo shrimp sometimes survive, but expect losses.
- Black ghost knifefish · 125+ gal
- Black ghost knifefish may eat golden wonder killifish, especially young or small ones.
- Bloodfin tetra · 20+ gal
- Golden wonder killifish may eat bloodfin tetras, especially young or small ones.
- Dwarf orange crayfish · 10+ gal
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Golden wonder killifish may attack small crustaceans like dwarf orange crayfish, especially after they molt.
- Emperor tetra · 20+ gal
- Golden wonder killifish may eat emperor tetras, especially young or small ones.
- Forktail blue-eye · 20+ gal
- Golden wonder killifish may eat forktail blue-eyes, especially young or small ones.
- Gold barb · 29+ gal
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Green terror · 80+ gal
- Green terror is aggressive. Golden wonder killifish can hold their own only in a large tank with plenty of cover.
- Head and tail light tetra · 20+ gal
- Golden wonder killifish may eat head and tail light tetras, especially young or small ones.
- Jewel cichlid · 40+ gal
- Jewel cichlid is aggressive. Golden wonder killifish can hold their own only in a large tank with plenty of cover.
- Lemon tetra · 20+ gal
- Golden wonder killifish may eat lemon tetras, especially young or small ones.
- Paradise fish · 20+ gal
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Paradise fish defends its patch of the tank and may chase golden wonder killifish, which use the same area.
- Penguin tetra · 20+ gal
- Golden wonder killifish may eat penguin tetras, especially young or small ones.
- Rabbit snail · 29+ gal
- Their temperature ranges barely overlap (only around 25–26°C).
- Serpae tetra · 20+ gal
- Golden wonder killifish may eat serpae tetras, especially young or small ones.
- Thai micro crab · 5+ gal
- Golden wonder killifish may attack small crustaceans like Thai micro crabs, especially after they molt.
- Vampire shrimp · 20+ gal
- Golden wonder killifish hunts shrimp. Larger vampire shrimp sometimes survive, but expect losses.
- Zebra pleco · 20+ gal
- Their temperature ranges barely overlap (only around 26–26°C).
- Checkerboard barb · 20+ gal
- Golden wonder killifish may eat checkerboard barbs, especially young or small ones.
- Moonlight gourami · 29+ gal
- Their temperature ranges barely overlap (only around 25–26°C).
- Silvertip tetra · 20+ gal
- Golden wonder killifish may eat silvertip tetras, especially young or small ones.
Avoid Bad tank mates (39)
- Cherry shrimp: Golden wonder killifish eats small shrimp like cherry shrimp.
- Neon tetra: Golden wonder killifish can eat neon tetras: they're small enough to fit in its mouth once it's grown.
- Oscar: Oscar can eat golden wonder killifish: they're small enough to fit in its mouth once it's grown.
- African dwarf frog: Golden wonder killifish can eat African dwarf frogs.
- Cardinal tetra: Golden wonder killifish can eat cardinal tetras: they're small enough to fit in its mouth once it's grown.
- Celestial pearl danio: Golden wonder killifish can eat celestial pearl danios: they're small enough to fit in its mouth once it's grown.
- Chili rasbora: Golden wonder killifish can eat chili rasboras: they're small enough to fit in its mouth once it's grown.
- Discus: They need different temperatures: Golden wonder killifish 22–26°C (72–79°F), discus 28–30°C (82–86°F).
- Electric yellow cichlid: Electric yellow cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Golden wonder killifish don't belong in that setup.
- Ember tetra: Golden wonder killifish can eat ember tetras: they're small enough to fit in its mouth once it's grown.
- German blue ram: They need different temperatures: Golden wonder killifish 22–26°C (72–79°F), german blue ram 27–30°C (81–86°F).
- Glowlight tetra: Golden wonder killifish can eat glowlight tetras: they're small enough to fit in its mouth once it's grown.
- Otocinclus: Golden wonder killifish can eat otocinclus: they're small enough to fit in its mouth once it's grown.
- Pea puffer: Golden wonder killifish can eat pea puffers: they're small enough to fit in its mouth once it's grown. Pea puffer is best kept in a species-only tank.
- Peacock cichlid: Peacock cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Golden wonder killifish don't belong in that setup.
- Pygmy corydoras: Golden wonder killifish can eat pygmy corydoras: they're small enough to fit in its mouth once it's grown.
- Red zebra cichlid: Red zebra cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Golden wonder killifish don't belong in that setup.
- White cloud mountain minnow: Golden wonder killifish can eat white cloud mountain minnows: they're small enough to fit in its mouth once it's grown.
- Black neon tetra: Golden wonder killifish can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
- Black phantom tetra: Golden wonder killifish can eat black phantom tetras: they're small enough to fit in its mouth once it's grown.
- Clown killifish: Golden wonder killifish can eat clown killifish: they're small enough to fit in its mouth once it's grown.
- Crystal red shrimp: Golden wonder killifish eats small shrimp like crystal red shrimp.
- Demasoni cichlid: Demasoni cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Golden wonder killifish don't belong in that setup.
- Endler's livebearer: Golden wonder killifish can eat Endler's livebearers: they're small enough to fit in its mouth once it's grown.
- Frontosa: Frontosa can eat golden wonder killifish: they're small enough to fit in its mouth once it's grown. Frontosa is a Lake Tanganyika cichlid. It needs a Lake Tanganyika tank: hard, alkaline water (pH 8–9), plenty of rockwork and other cichlids from the same lake. Golden wonder killifish don't belong in that setup.
- Kubotai rasbora: Golden wonder killifish can eat kubotai rasboras: they're small enough to fit in its mouth once it's grown.
- Lambchop rasbora: Golden wonder killifish can eat lambchop rasboras: they're small enough to fit in its mouth once it's grown.
- Marbled hatchetfish: Golden wonder killifish can eat marbled hatchetfish: they're small enough to fit in its mouth once it's grown.
- Rosy loach: Golden wonder killifish can eat rosy loaches: they're small enough to fit in its mouth once it's grown.
- Rosy tetra: Golden wonder killifish can eat rosy tetras: they're small enough to fit in its mouth once it's grown.
- Scarlet badis: Golden wonder killifish can eat scarlet badis: they're small enough to fit in its mouth once it's grown.
- Shell dweller cichlid: Golden wonder killifish can eat shell dweller cichlids: they're small enough to fit in its mouth once it's grown. Shell dweller cichlid is a Lake Tanganyika cichlid. It needs a Lake Tanganyika tank: hard, alkaline water (pH 7.5–9), plenty of rockwork and other cichlids from the same lake. Golden wonder killifish don't belong in that setup.
- Sparkling gourami: Golden wonder killifish can eat sparkling gouramis: they're small enough to fit in its mouth once it's grown.
- Threadfin rainbowfish: Golden wonder killifish can eat threadfin rainbowfish: they're small enough to fit in its mouth once it's grown.
- Dwarf rasbora: Golden wonder killifish can eat dwarf rasboras: they're small enough to fit in its mouth once it's grown.
- Flame tetra: Golden wonder killifish can eat flame tetras: they're small enough to fit in its mouth once it's grown.
- Glowlight danio: Golden wonder killifish can eat glowlight danios: they're small enough to fit in its mouth once it's grown.
- Green neon tetra: Golden wonder killifish can eat green neon tetras: they're small enough to fit in its mouth once it's grown.
- Least killifish: Golden wonder killifish can eat least killifish: they're small enough to fit in its mouth once it's grown.
Frequently asked questions
What fish can live with golden wonder killifish?
Good tank mates for golden wonder killifish include nerite snail, bristlenose pleco, bronze corydoras, angelfish, tiger barb and assassin snail. They need similar water and won't fight with or eat golden wonder killifish.
Can golden wonder killifish live with angelfish?
Yes. They share similar water needs (24–26°C (75–79°F)) and peaceful temperaments.
Can golden wonder killifish live with bettas?
Sometimes, with care. Betta fish defends its patch of the tank and may chase golden wonder killifish, which use the same area.
Can golden wonder killifish live with bristlenose plecos?
Yes. They share similar water needs (22–26°C (72–79°F)) and peaceful temperaments.
Can golden wonder killifish live with bronze corydoras?
Yes. They share similar water needs (22–26°C (72–79°F)) and peaceful temperaments.
How we decide: we compare each pair's comfortable temperature, pH and hardness ranges, adult sizes, mouth size (who can eat whom), fin nipping, aggression and territory. Read the full method. Data last reviewed 2026-10-13.