Guppy Care Sheet
BeginnerPoecilia reticulata · fish
Guppies are colorful, livebearing fish ideal for beginners. They are easy to care for in a well-planted tank with stable water parameters and a peaceful community.
Quick care stats
Adult size1.5-2.5 inches
Lifespan2-3 years
Min tank size10 gallons
Water temp74-82°F
pH6.8-7.8
Hardness8-12 dGH
Temperamentpeaceful
Group / schoolinggroup of 5+ (2-3 females per male recommended)
Tank matesOther peaceful community fish like tetras, rasboras, corydoras, mollies, and platies.
DietOmnivorous; feed high-quality flake food daily, supplemented with live or frozen foods like brine shrimp or daphnia 2-3 times per week.
What you need (full setup)
🔧 Tank (10 gallon minimum)Provides stable water conditions and swimming space.🔧 Sponge or hang-on-back filterProvides biological and mechanical filtration with gentle flow.🔧 Adjustable heater (50-100 watt for 10 gal)Maintains stable tropical temperature.🔧 ThermometerMonitors water temperature accurately.🔧 Fine gravel or sand substrateSafe for delicate barbels and easy to clean.🔧 Water conditioner (dechlorinator)Removes chlorine and chloramines from tap water.🔧 Liquid test kit (ammonia, nitrite, nitrate, pH)Essential for monitoring water parameters to prevent disease.🔧 Live plants (e.g., Java moss, hornwort) and decorationsProvides hiding spots and reduces stress; plants help with water quality.
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Common health issues
- Fin rot
- Ich (white spot disease)
- Guppy disease (Tetrahymena)
⚠️ For any sign of illness (not eating, lethargy, swelling, retained shed), see a qualified exotics vet. Care sheets are general guidance only.