Knight Goby tank mates
Stigmatogobius sadanundio
6 rated pairings from the Knight Goby care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Knight Goby needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
5 · Same water, complementary zones, no conflict.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small, peaceful fish that occupy different water zones
Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful mid-water dweller with no territorial conflicts
Amano Shrimp
Caridina multidentata
10 gal min · 2" adult · Peaceful
Peaceful invertebrate that shares bottom space without aggression
Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Small, peaceful schooling fish that occupy upper water zones
Mystery Snail
Pomacea bridgesii
5 gal min · 2" adult · Peaceful
Peaceful detritivore that shares substrate without conflict
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.