Zebra Danio (Danio rerio) is a small, hardy, and active freshwater fish known for its distinctive horizontal black and silver stripes. A popular choice for beginners, they are ideal for community aquariums and provide constant movement and color.
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Zebra Danio (Danio rerio) is a small, hardy, and active freshwater fish known for its distinctive horizontal black and silver stripes. A popular choice for beginners, they are ideal for community aquariums and provide constant movement and color.
Slender, torpedo-shaped body with alternating horizontal silver and black stripes from gill to tail. Fins are mostly transparent. Males tend to be slimmer and more brightly striped; females are rounder and paler.
3–5 years with proper care
Omnivorous; feeds on high-quality flakes, micro pellets, frozen foods, and live foods such as daphnia, brine shrimp, and micro worms. Occasional blanched vegetables like zucchini or spinach can supplement their diet.
Zebra Danios are perfect for beginner aquarists and community tanks. Their peaceful nature, active swimming, and striking stripes make them a lively and attractive addition to any aquarium.
Beginner – hardy, easy to care for, and adaptable to a wide range of water conditions.
10+ gallons (for a small school)
6.5 to 7.5
5–12 dGH
64–75°F (18–24°C)
2 inches
Small tetras, Rasboras, Guppies, Corydoras, peaceful barbs. Avoid aggressive or large fish.
Large, aggressive, or slow-moving fish that may stress or outcompete them.
Danio rerio
Cyprinidae
South Asia – India and Bangladesh; streams, rivers, and rice paddies.
Highly social; best kept in schools of 6 or more. Peaceful and compatible with other small community fish.
Feed 2–3 times daily with flakes, micro pellets, frozen/live foods. Occasionally supplement with finely chopped vegetables to enhance health.
Egg-scatterer; deposits eggs over plants or substrate. Adults do not guard eggs. Condition males and females with protein-rich live foods before spawning. Fry feed on infusoria or newly hatched brine shrimp.
pH: 6.5–7.5, Temperature: 64–75°F (18–24°C), Hardness: 5–12 dGH, Ammonia/Nitrite: 0 ppm, Nitrate: <20 ppm
Prone to stress, ich, and bacterial infections if water quality is poor. Maintain clean water and avoid overcrowding.
Peaceful, active, and social. Best kept in schools of 6 or more to encourage natural schooling behavior. Compatible with most small, non-aggressive community fish. Highly active swimmers that enjoy open spaces.
Native to South Asia, primarily India and Bangladesh, Zebra Danios inhabit streams, rivers, and rice paddies with moderate water flow. Adults grow up to 2 inches. They thrive in community aquariums with open swimming areas and stable water conditions. Ideal for beginner aquarists due to their hardiness, active nature, and ease of care.