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Zebra Danio
Zebra Danio
Origin
India
Habitat Size
Minimum 30 litres
Water Type
Fresh Water
Water Temperature
18º-24ºC
Cost in India
₹1,200 - ₹2,200
Size
2 - 2.5 inches (Small)
Diet
Omnivore
by Happy Pet TeamUpdated on 2 Dec 2025
Zebra Danios Fish Guide
The Zebra Danio (scientific name - Danio rerio) is a lively, small freshwater fish that is instantly recognizable by its bold horizontal stripes running the length of its body. It is very popular among aquarium hobbyists because it’s colorful, active, and fairly easy to keep. Its unique behavior of schooling and darting gives any tank a fun, energetic feel.
Characteristics
Temperament
Aggressive
Friendly
Compatibility with other fishes
Not Friendly
Super Friendly
Habitat Size
Small
Large
Zebra Danios Habitat Requirements
Initial Setup Cost
₹1,500 - ₹2,999
Water Temperature
18º -24ºC
Water Type
Fresh Water
PH Level
6 - 8
Tank Type
Essential Equipment
Aquarium tank
Water filter
Heater
Light
Substrate
Decor
Zebra Danios Nutritional Guide
Avg Monthly Expenses
₹1,200 - ₹ 2,200
Diet Type
Health
Common Health Issues
Fin rot
White spot / ick
Fungus
Parasites
Swim bladder inflammation
Bacterial infections
Signs of good health
Active
Bright coloration
Good apetite
Signs of sickness
Loss of appetite
Lethargic behaviour
Dull coloring
Tattered fins
White growths
Care for Zebra Danios is easy if you know what health issues they can get and what tips you can follow to prevent these issues from happening. These are some Zebra Danios health issues, along with tips by which one may understand how to care for the fish.
Prerequisites for a Fish
Cleanliness
Effort & commitment
Enriching Environment
Adequate tank space
Written by
Happy Pet TeamAuthor
Team Happy Pet is a passionate collective of pet experts, enthusiasts, and advocates dedicated to sharing trusted and insightful content.
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Frequently Asked Questions
Can I keep a single Zebra Danio alone?
It’s not ideal — these fish love the company of their own kind (a shoal). A single fish may feel stressed or behave oddly.
How many Zebra Danios should I keep together?
At least 5–6 is recommended so they can feel secure and show natural schooling behavior.
Do they need a heater in their tank?
Not always. Because they tolerate cooler temperatures, if your room stays within a comfortable range, you may not need a heater. But if ambient temps drop, a heater helps.
Why is my Zebra Danio suddenly chasing or nipping other fish?
It could be due to stress, insufficient group size, insufficient space, or incompatible tank mates (especially slow fish). Ensuring they are in a proper group and environment helps.
How long do Zebra Danios live?
In a well-kept aquarium, Zebra Danios' lifespan commonly goes around 3–5 years. Some may live longer with excellent care.