Nerite Snail
Neritina natalensis
An excellent algae cleaner that doesn’t breed in fresh water, so numbers don’t explode. Its shell dissolves at low KH.
Temp 20~29°CpH 6.8~8.5GH 6~22Adult 2.5 cmGroup fine aloneMin. tank 10 LSwims bottomPrice $1.79
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.
Run a 60 cm standard tank with 33 yourself →Don’t keep with
The same rules the engine uses for tankmates.
Eaten by
Bullied by
Water doesn’t match
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.
Beginner picks with this fish
Beginner pick
See it in the GalleryOne betta
A small desk tank. Bettas live alone.
The numbers on this page come from the Water Kiwoogi simulator model; real tanks can differ.