Wrestling Halfbeak tank mates
Dermogenys pusilla
5 rated pairings from the Wrestling Halfbeak care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Wrestling Halfbeak needs at least 15 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Bottom-dweller that doesn't compete for surface food; helps maintain tank cleanliness
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Peaceful invertebrate that occupies different ecological niche; won't be harmed by halfbeaks
Good matches
2 · Compatible with normal care — watch space and numbers.
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Similar size and peaceful temperament; occupy different water zones reducing competition
Glowlight Tetra
Hemigrammus erythrozonus
10 gal min · 1.5" adult · Peaceful
Small, non-aggressive schooling fish that won't compete for surface feeding areas
Use caution
1 · Works in the right setup; read the note before combining.Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.