Zebra Danio

Zebra Danio

Danio rerio

The hardiest tropical fish in this game, used as a pilot fish for cycling. But it never stops swimming, so it needs a long tank, and it pecks at long-finned species.

Temp 18~26°CpH 6.5~8GH 5~20Adult 5 cmGroup 5+Min. tank 40 L · 60 cm+ longSwims topPrice $0.57

How many fit in each tank?

The largest group where none died in 90 days. Tap water · black sand · bacteria starter on day 1 · fish added on day 10 · 25% weekly water changes.

30 cm cubeNot recommended — needs 60 cm of length
45 cm standardNot recommended — needs 60 cm of length
60 cm standard
11
90 cm standard
18
120 cm standard
21
120 cm large
28
Run a 60 cm standard tank with 11 yourself →

Don’t keep with

The same rules the engine uses for tankmates.

Good tankmates

No eating or bullying either way, with plenty of overlap in temperature and pH. Fish that swim at a different level come first.

The numbers on this page come from the Water Kiwoogi simulator model; real tanks can differ.