Lesser Spiny Eel tank mates
Macrognathus aculeatus
6 rated pairings from the Lesser Spiny Eel care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Lesser Spiny Eel needs at least 55 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.
Kuhli Loach
Pangio kuhlii
20 gal min · 4" adult · Peaceful
Similar bottom-dwelling, peaceful species that shares the same habitat preferences without competition
Honey Gourami
Trichogaster chuna
10 gal min · 2" adult · Peaceful
Small, peaceful mid-level swimmer that poses no threat to the spiny eel
Good matches
3 · Compatible with normal care — watch space and numbers.
Harlequin Rasbora
Trigonostigma heteromorpha
10 gal min · 2" adult · Peaceful
Peaceful schooling fish that occupies the mid-water zone, leaving the bottom undisturbed
Bronze Corydoras
Corydoras aeneus
20 gal min · 2.75" adult · Peaceful
Peaceful bottom dwellers that coexist well, though both compete for substrate space
Pearl Gourami
Trichopodus leerii
30 gal min · 5" adult · Peaceful
Calm, mid-level species that will not bother the spiny eel
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.