
Zebra Danio
Danio rerio
Family: Cyprinidae • Origin: South Asia
Zebra Danios are among the hardiest aquarium fish. They tolerate cool water, eat anything, and are nearly indestructible. Great cycling fish.
Min Tank
10 gal
Max Size
2.5"
Temperature
64-77°F
pH
6.5-7.5
Lifespan
5 years
School Size
6+
Swim Level
top
Hardness
5-15 dGH
peacefulbeginneromnivoreschooling
Care Tips
- • Nearly indestructible
- • Tolerate unheated tanks
- • Very fast swimmers
- • Keep in groups of 6+
- • Can stress slow fish with activity
Feeding: Flakes, pellets, frozen foods. Eats anything and everything.
Compatibility Notes: Extremely hardy and active. Fast swimmers — can stress slow or shy fish. Tolerate cool water.
Tank Setup & Water Parameters
Tank Requirements
- Minimum Tank Size
- 10 gallons
- Recommended Tank Size
- 20 gallons
- Swimming Level
- top
- Minimum School Size
- 6+ fish
Water Parameters
- Temperature
- 64–77°F
- pH Range
- 6.5–7.5
- Hardness (dGH)
- 5–15
- Water Type
- freshwater
Behavior & Temperament
- Temperament
- peaceful
- Aggression Level
- 2/5
- Schooling
- Yes
- Territorial
- No
- Fin Nipper
- No
- Predatory
- No
- Diet Type
- omnivore
- Growth Rate
- fast
Extremely hardy and active. Fast swimmers — can stress slow or shy fish. Tolerate cool water.
Breeding
- Breeding Type
- egg layer
- Breeding Difficulty
- easy
- Lifespan
- 5 years
Ideal For
10 gallonbeginnersunheated tankcommunity
Compatible Tank Mates
View all →Neon Tetra
Paracheirodon innesi
70-81°FpH 6-710+ gal
peacefulschooling 6+1.5"
Ember Tetra
Hyphessobrycon amandae
73-84°FpH 5.5-75+ gal
peacefulschooling 8+0.8"
Black Neon Tetra
Hyphessobrycon herbertaxelrodi
73-81°FpH 5.5-7.510+ gal
peacefulschooling 6+1.6"

Serpae Tetra
Hyphessobrycon eques
72-82°FpH 6-7.520+ gal
semi-aggressiveschooling 6+1.75"
Black Skirt Tetra
Gymnocorymbus ternetzi
70-82°FpH 6-7.515+ gal
peacefulschooling 5+3"
Guppy
Poecilia reticulata
72-82°FpH 6.8-7.810+ gal
peacefulschooling 3+2.5"
Similar Species

White Cloud Mountain Minnow
Tanichthys albonubes
57-72°FpH 6-810+ gal
peacefulschooling 6+1.5"
Sunset Thicklip Gourami
Trichogaster labiosa
72-82°FpH 6-7.515+ gal
peaceful3.5"
Pearl Danio
Danio albolineatus
64-77°FpH 6.5-7.510+ gal
peacefulschooling 6+2.5"
Leopard Danio
Danio rerio frankei
64-77°FpH 6.5-7.510+ gal
peacefulschooling 6+2.5"