Corydoras care

Water temperature
72–79°F
Corydoras do best at 72–79°F and pH 6–7.8. Plan on 20 gallons or more. Good tank mates include bettas, guppies, tiger barbs.
Bottom schooler; keep six or more on soft sand.
Corydoras aeneus
- pH
- 6–7.8
- Minimum tank
- 20 gal
- Adult size
- 2.5 in
- Temperament
- Peaceful
- Group
- Groups of 6+
- Lifespan
- 5–10 years
- Swims at
- Bottom
- Diet
- Omnivore
Best tank mates
BettaYes
GuppyYes
Tiger barbYes
AngelfishYes
Cherry shrimpYes
OtocinclusYes
Kuhli loachYes
MollyYes
Honey gouramiYes
Neon tetraYes
Black skirt tetraYes
Sparkling gouramiYes
Full corydoras tank mate chart: 72 yes, 12 with care, 14 no
Corydoras water compared
Fish to keep away from corydoras
- Goldfish Goldfish are coldwater animals (60–74°F); corydoras need 72–79°F. They overlap only at 72–74°F, the edge of both ranges.
- Axolotl Axolotls are coldwater animals (60–66°F); corydoras need 72–79°F. No temperature suits both.
- Oscar An adult oscar eats fish that fit in its mouth, and at 2.5 inches corydoras do.
- Jack Dempsey An adult jack dempsey eats fish that fit in its mouth, and at 2.5 inches corydoras do.
- Convict cichlid Convict cichlids are aggressive and will bully peaceful corydoras.
- Bichir An adult bichir eats fish that fit in its mouth, and at 2.5 inches corydoras do.
- Black ghost knife An adult black ghost knife eats fish that fit in its mouth, and at 2.5 inches corydoras do.
- White cloud minnow White cloud minnows are coldwater animals (60–72°F); corydoras need 72–79°F. They meet only at 72°F, the edge of both ranges.
More catfish and plecos
Bristlenose pleco73–81°F
Pictus catfish72–79°F
Otocinclus72–79°F
Panda cory68–77°F
Common pleco72–86°F
Glass catfish75–80°F
Upside down catfish72–79°F
Zebra pleco79–88°F
Questions
What temperature do corydoras need?
72–79 °F. Keep it steady with a heater.
What size tank does a corydoras need?
At least 20 gallons for a group. Adults reach about 2.5 inches.
How many corydoras should I keep?
Groups of 6+. They are schooling fish and stress when kept alone.
What fish can live with corydoras?
Bettas, Guppies, Tiger barbs, Angelfish, Cherry shrimp, Otocinclus, among others. See the full list of 72 good matches.