Glass catfish care

Water temperature
75–80°F
Keep glass catfish at 75–80°F with a pH of 6.5–7.5, in a tank of at least 30 gallons. Good tank mates include bettas, guppies, kuhli loaches.
Shy schooler that hides when kept in small numbers.
Kryptopterus vitreolus
- pH
- 6.5–7.5
- Minimum tank
- 30 gal
- Adult size
- 3.0 in
- Temperament
- Peaceful
- Group
- Groups of 6+
- Lifespan
- 7–8 years
- Swims at
- Middle
- Diet
- Carnivore
Best tank mates
BettaYes
GuppyYes
Kuhli loachYes
CorydorasYes
AngelfishYes
Honey gouramiYes
Bristlenose plecoYes
Rainbow sharkYes
Bolivian ramYes
Yoyo loachYes
KribensisYes
Dwarf gouramiYes
Full glass catfish tank mate chart: 68 yes, 16 with care, 14 no
Glass catfish water compared
Fish to keep away from glass catfish
- Axolotl Axolotls are coldwater animals (60–66°F); glass catfish need 75–80°F. No temperature suits both.
- Goldfish Goldfish are coldwater animals (60–74°F); glass catfish need 75–80°F. No temperature suits both.
- Convict cichlid Convict cichlids are aggressive and will bully peaceful glass catfish.
- Oscar An adult oscar eats fish that fit in its mouth, and at 3 inches glass catfish do.
- Bichir An adult bichir eats fish that fit in its mouth, and at 3 inches glass catfish do.
- Black ghost knife An adult black ghost knife eats fish that fit in its mouth, and at 3 inches glass catfish do.
- African cichlid African cichlids are aggressive and will bully peaceful glass catfish.
- Koi Koi are coldwater animals (59–77°F); glass catfish need 75–80°F. They overlap only at 75–77°F, the edge of both ranges.
More catfish and plecos
Corydoras72–79°F
Bristlenose pleco73–81°F
Pictus catfish72–79°F
Otocinclus72–79°F
Panda cory68–77°F
Common pleco72–86°F
Upside down catfish72–79°F
Zebra pleco79–88°F
Questions
What temperature do glass catfish need?
75–80 °F. Keep it steady with a heater.
What size tank does a glass catfish need?
At least 30 gallons for a group. Adults reach about 3 inches.
How many glass catfish should I keep?
Groups of 6+. They are schooling fish and stress when kept alone.
What fish can live with glass catfish?
Bettas, Guppies, Kuhli loaches, Corydoras, Angelfish, Honey gouramis, among others. See the full list of 68 good matches.