Bucktooth Tetra tank mates
Exodon paradoxus
6 rated pairings from the Bucktooth Tetra care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Bucktooth Tetra needs at least 40 gallons on its own; every companion adds to that.
Good matches
2 · Compatible with normal care — watch space and numbers.Use caution
4 · Works in the right setup; read the note before combining.
Cardinal Tetra
Paracheirodon axelrodi
15 gal min · 2" adult · Peaceful
Similar size but may be targeted; only in large groups
Congo Tetra
Phenacogrammus interruptus
30 gal min · 3.5" adult · Peaceful
Larger tetra that can hold its own but requires careful monitoring
Severum
Heros severus
55 gal min · 8" adult · Semi-aggressive
Large cichlid that can coexist but may compete aggressively
Clown Loach
Chromobotia macracanthus
75 gal min · 12" adult · Peaceful
Large enough to avoid predation but may be harassed
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.