Empire Gudgeon tank mates
Hypseleotris compressa
6 rated pairings from the Empire Gudgeon care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Empire Gudgeon needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.Good matches
4 · Compatible with normal care — watch space and numbers.
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Small, peaceful schooling fish that occupy different water zones and share similar water parameters
Celestial Pearl Danio
Danio margaritatus
10 gal min · 1" adult · Peaceful
Tiny, gentle danios that thrive in cool water and planted environments without competing for space

Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Peaceful invertebrates that occupy different ecological niches and benefit from similar planted tank setup
Ricefish
Oryzias woworae
10 gal min · 1.5" adult · Peaceful
Cool-water fish with peaceful demeanor and similar temperature requirements to Empire Gudgeons
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.

