Can Fancy Guppy and Hillstream Loach live together?

Fancy Guppy and Hillstream Loach are possible with care. The comparison on this page runs the same compatibility engine as the tank builder, checking temperature and pH overlap, predation by size, temperament, and known hard-pair conflicts.

Species Comparison

Fancy Guppy vs Hillstream Loach

Verdict:Possible with care

Side-by-side specs

Livebearers

Family

Loaches

2″

Adult size

3″

10gal

Min tank

30gal

72–82°F

Temperature

68–75°F

6.8–7.8

6.5–7.5

peaceful

Temperament

peaceful

Schooling

top

Water level

bottom

Compatibility notes

warnFancy Guppy and Hillstream Loach only narrowly overlap in temperature — keep within 72–75°F.

Try both in the builder →Compare different species