TankStocking

Can Dwarf Gourami live with Guppy (Fancy)?

Yes — Dwarf Gourami and Guppy (Fancy) are a workable pairing in a suitable, cycled tank.

By the TankStocking team · methodology-driven, sourced from aquarium care references Data v2026.06 · last reviewed How we judge this →

The planner's verdict

Dwarf Gourami + Guppy (Fancy)

✓ Good starter plan

1× Dwarf Gourami, 3× Guppy (Fancy)

The engine clears this pairing — a workable starting point in a cycled, planted tank.

Load this build in the planner ↑

Dwarf Gourami vs Guppy (Fancy): key facts

A neutral, side-by-side look at each species' sourced stats. These are figures only — the verdict above states whether they should share a tank.

Key facts side by side — Dwarf Gourami vs Guppy (Fancy) (sourced stats only)
Key factDwarf GouramiGuppy (Fancy)
Adult size8.5 cm5 cm
Minimum tank10 US gal10 US gal
Minimum group1 male (or harem)3+ (pair/group)
TemperamentPeacefulPeaceful
Temperature range25–28°C22–28°C
pH range6–7.57–8
BioloadLowLow
Swim levelTop / surfaceAll levels
Beginner-friendlyYesYes

Why, at a glance

Drawn straight from the sourced figures above, using the same thresholds the engine applies — these show the data behind the verdict, not a separate opinion.

Temperature range overlap — Dwarf Gourami vs Guppy (Fancy) Shared temperature window: 25–28°C (3°C overlap). Both ranges include it. Dwarf Gourami: 25–28°C Guppy (Fancy): 22–28°C shared 14°C32°C
Temperature range overlap. Shared temperature window: 25–28°C (3°C overlap). Both ranges include it.
pH range overlap — Dwarf Gourami vs Guppy (Fancy) Shared pH range: 7–7.5. Both prefer water within it. Dwarf Gourami: 6–7.5 Guppy (Fancy): 7–8 shared 5.58.5
pH range overlap. Shared pH range: 7–7.5. Both prefer water within it.
Adult size to scale — Dwarf Gourami vs Guppy (Fancy) Dwarf Gourami (8.5 cm) is 1.7× the length of Guppy (Fancy) (5 cm) — under the 3.5× size gap that flags predation risk. Dwarf Gourami: 8.5 cm Guppy (Fancy): 5 cm 17.5 cm = 3.5× line 0 cm
Adult size to scale. Dwarf Gourami (8.5 cm) is 1.7× the length of Guppy (Fancy) (5 cm) — under the 3.5× size gap that flags predation risk.
Sources & confidence (2 species)

These back the Dwarf Gourami and Guppy (Fancy) figures used for this verdict. Each figure is read from the TankStocking species database (v2026.06); below is the care reference behind it and how confident we are in that data. Confidence reflects the source quality, not whether any pairing is safe. Full source list and the welfare model are on the methodology page.

  • Dwarf Gourami Trichogaster lalius — Seriously Fish (seriouslyfish.com/species/trichogaster-lalius) high confidence
  • Guppy (Fancy) Poecilia reticulata — Aquarium Co-Op guppy care guide / FishBase Poecilia reticulata high confidence

Why

No welfare check fires for this pairing: their adult sizes, temperaments, temperature ranges and social needs line up. Keep each in its proper group and give the tank time to mature.

A workable setup: at least 20 US gallons (76 L), with a single male Dwarf Gourami (with or without females) and a group of 3+ Guppy (Fancy), in a cycled, planted tank. Test your exact plan below.

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      Verdict

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      Other species the engine clears with Dwarf Gourami — tap to load the pairing.

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      Common questions

      Can Dwarf Gourami live with Guppy (Fancy)?

      Yes — Dwarf Gourami and Guppy (Fancy) are a workable pairing in a suitable, cycled tank. TankStocking's engine reaches this by checking minimum tank size, group needs, temperature overlap, aggression, predation by size and fin-nipping for this exact pairing.

      What tank size do Dwarf Gourami and Guppy (Fancy) need together?

      Plan for at least 20 US gallons so both species clear their minimum-tank needs, with a single male Dwarf Gourami (with or without females) and a group of 3+ Guppy (Fancy). More water and a planted layout with broken sightlines always help.

      Related to Dwarf Gourami & Guppy (Fancy)

      Related guides on TankStocking — each scored by the same welfare engine as the planner.

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      This is a planning estimate based on sourced species data — individual fish vary. See the methodology, the Dwarf Gourami tank mates guide, or the full fish list.