Zebra Danio (Danio rerio) is a small freshwater fish known for its zebra-like black and white or blue stripes. Popular among aquarists for its hardiness and social nature, it thrives in various tank setups and water conditions.
Scientific Name
Danio rerio
Habitat
Native to India, Bhutan, and Bangladesh. Found in slow-flowing streams, flooded ponds, rice paddies, and seasonal water bodies with varied vegetation.
Conservation
Not listed as endangered; widely available and bred for aquarium trade.
Lifespan
3–5 years with proper care in captivity.
Fun Fact
Zebra Danios are lifelong partners and often form monogamous breeding pairs, unlike many fish species.
Diet
Omnivorous – feeds on flakes, pellets, live/frozen food like brine shrimp and worms. Best health is achieved by rotating diet and feeding small amounts once or twice daily.
Average Size
Up to 4 cm (1.5 inches).
Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel
FAQ
What is the lifespan of the Zebra Danio?
Zebra Danios typically live up to 3–5 years in captivity, sometimes longer with excellent care.
What do Zebra Danios eat?
They are omnivorous and eat flakes, pellets, small insects, worms, and algae-based foods.
Are Zebra Danios aggressive?
No, they are peaceful and social, best kept in groups of 5 or more.
What is the ideal tank size for Zebra Danios?
A minimum of 10 gallons is recommended, though larger tanks are better for schooling behavior.
Do Zebra Danios need a specific environment to survive?
They prefer cool, well-oxygenated freshwater with gentle flow and open swimming space.
How big do Zebra Danios grow?
They typically grow up to 2 inches (5 cm) in length.
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