Vietnamese Cardinal Minnow tank mates
Tanichthys micagemmae
6 rated pairings from the Vietnamese Cardinal Minnow care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Vietnamese Cardinal Minnow needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
5 · Same water, complementary zones, no conflict.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Similar size and peaceful temperament; excellent algae control without competing for food
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Comparable size, peaceful schooling behavior, and identical water parameter requirements
Dwarf Hairgrass
Eleocharis parvula
Foreground plant that creates ideal habitat structure and provides cover for minnows
Java Moss
Taxiphyllum barbieri
Dense plant growth essential for security and breeding; provides grazing surfaces and fry refuge
White Cloud Mountain Minnow
Tanichthys albonubes
10 gal min · 1.5" adult · Peaceful
Closely related species with identical care requirements and compatible schooling behavior
Good matches
1 · Compatible with normal care — watch space and numbers.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.