Zebrafish
Danio rerio
Also called Zebra danio, zebrafish

Essential gear
- 45 cm+ long tank
- Filter
- Thermometer
- Water-change hose
- Hand net
- Tank lid
Lifespan
3–5years
Water temperature
18–28°C
pH
6.0–8.0
Water column
Upper-mid level
Schools dart quickly and rarely settle on the bottom
Keep in groups
6+ fish
Prefer a same-species group
Diet
Omnivore
Flakes, micro pellets, bloodworms, brine shrimp
Suggested habitat
Aim for a long tank of at least 450 × 300 × 300 mm. Open center lane with plants on the sides to hide; horizontal bars show clearest under side light.
Plates are husbandry references—not build plans or generator parameters. Check your own water, vessel, and stocking before you act.