Weather Loach

Misgurnus anguillicaudatus

Breathes air through its gut, so it holds out to the end even when oxygen runs out. It burrows through the bottom, stirring deep substrate so hydrogen sulfide doesn’t pool. Anything but sand damages its barbels.

Temp 2~28°CpH 6~8.4GH 3~22Adult 15 cmGroup fine aloneMin. tank 60 LSwims bottomPrice $1.43

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 L or more

45 cm standardNot recommended — needs 60 L or more

60 cm standard

90 cm standard

120 cm standard

120 cm large

Run a 60 cm standard tank with 4 yourself →

Don’t keep with

The same rules the engine uses for tankmates.

Bullied by

Oscar

Water doesn’t match

Discus

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.

Topmouth Gudgeon Medaka (Rice Fish)Korean Rose Bitterling Korean Native Shrimp Roundtail Paradise Fish Goldfish

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