Species Profile
Zebra Danio
Danio rerio
Daniospeaceful
Adult size
2″
Minimum tank
10 gal
Temperature
64–77°F
pH
6.5–7.5
Schooling
Group of 6+
Water level
top
Diet
Flake, small pellets
Notes
Iconic black-and-gold striped active swimmer from south Asian streams. Hardy, tolerates a wide temperature range, and even thrives unheated, making it one of the few tropicals that pairs reliably with fancy goldfish as a dither fish.
Photo: Pogrebnoj-Alexandroff / Wikimedia Commons (cropped) · Source · CC-BY-SA-3.0