Zebra Danio

Danio rerio

Zebra Danio (Danio rerio) — Easy care, Peaceful, under Danio & Minnow. Minimum tank in the app: 14.5 US gal min; aim for 64–79°F and pH 6–8. Zebra Danios are energetic, engaging fish suited for both novice and experienced aquarists.

Zebra Danio (Danio rerio) in a planted freshwater aquarium
Care levelEasy
TemperamentPeaceful
Min tank size14.5 US gal min
pH range6–8
Temperature64–79°F
Max size2.0 in (5.0 cm)
Captive lifespan4–8 years
SchoolingYes · 6+ recommended

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Asia / Europe (varies)

  • East & Southeast Asia

Regional colours match the stocking calculator’s origin map.

Zebra Danio Tank Setup

Create a balanced environment that accommodates their active swimming style with ample open space complemented by hiding spots. Use a sandy or fine substrate to avoid injury, and ensure moderate water flow to mimic their natural habitat. Bright lighting can enhance their colors, but avoid overly harsh conditions that may stress them.

What Do Zebra Danios Eat?

Zebra Danios are voracious feeders with a fast feeding response, making competition for food likely. They benefit from a varied diet to enhance their coloration and health, but ensure that food sinks slowly to accommodate all tank mates, preventing dominance by faster feeders.

Zebra Danio Tank Mates

Ideal companions include similarly-sized, active species that share the top and mid-water zones, such as Tetras or Rasboras. Caution is needed with slower or more timid fish, as Danios may engage in fin-nipping. Intraspecies, maintain groups of six or more to ensure social stability and reduce aggression.

Are Zebra Danios Good for Beginners?

In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. Aquarists often underestimate their need for space and structured environments, leading to stress and aggression. Overcrowding can exacerbate fin-nipping behavior, while inadequate schooling numbers can leave individuals vulnerable.

Guides that pair with this fish

Browse species guides · Water parameters cheat sheet

Building a community? Run the full list through the stocking calculator before you add anything else.

Log tests and reminders in App-aquatic—free, same data you see here.