14d • 🐠 Care Guides & Species
🦓 Zebra Danio (Danio rerio) Care Guide
Difficulty: BeginnerSize: 2 inchesTemperament: Energetic and peacefulLifespan: 4–5 years
💧 Tank Setup
- Tank Size: 15–20 gallons minimum — they’re active swimmers!
- Water Range: 64–75 °F, pH 6.5–7.5 — one of the few tropicals that thrive in cooler water.
- Group Size: Keep 6 or more — small groups = fin chasing and stress.
- Decor: Open swimming area with plants at the edges.
- Lighting: Moderate; brighter light brings out their reflective stripes.
💡 Lesser-Known Tip: Zebra Danios can handle cooler temps because they come from mountain streams in India and Nepal — they’re perfect for unheated tanks in warm climates!
🍽️ Diet
- Staple: High-quality flakes or micro pellets.
- Supplements: Baby brine shrimp, mosquito larvae, or daphnia.
- Feeding Routine: Twice a day; small amounts.
💡 Fact: They’ve been used in scientific research for decades — even in genetic and medical studies — because of their transparent eggs and regenerative ability.
🧬 Breeding Behavior
- Type: Egg scatterer.
- Trigger: Separate males and females for a week; then reunite with a morning light cycle and cooler water change.
- Setup: Use marbles or mesh on the bottom so eggs fall through — parents will eat them otherwise.
- Egg Care: Remove adults post-spawning; fry hatch in about 2 days.
💡 Breeder Insight: They usually spawn at sunrise — mimic dawn lighting with a dim room light first, then your tank light 30 minutes later.
🤝 Tank Mates
Great with guppies, corydoras, rasboras, and small tetras.Avoid slow, long-finned species (like bettas) — danios are too fast and can annoy them.
💬 Community Prompt
Who’s kept Zebra Danios before? 🦓Post a video or photo — do yours zip around the glass or stay together in a tight school? (Bonus: share if you’ve ever seen them spawn at sunrise!)
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🦓 Zebra Danio (Danio rerio) Care Guide
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