Redtail Goodeid tank mates
Xenotoca eiseni
6 rated pairings from the Redtail Goodeid care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Redtail Goodeid needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Similar size and peaceful temperament, both prefer slightly cooler water
Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Small, peaceful schooler that shares similar water parameters
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Small peaceful algae eater compatible with small community setups
Good matches
2 · Compatible with normal care — watch space and numbers.
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.