Guppy

• ExerciseModerate

  An active swimmer that appreciates open swimming space.

• GroomingEasy tank upkeep

  No grooming here — steady water quality and routine tank care do it.

• Living spaceNano-tank friendly

  Happy in a small, stable, well-filtered tank.

• Owner experienceSome experience helps

  A little know-how makes life smoother.

• Commitment2–3 years

  Plan for a long, loving relationship.

Health to watch: Fin rot · Ich (white spot) · Swim bladder disorder

The guppy (Poecilia reticulata) is native to the fresh and brackish waters of northeastern South America — Venezuela, Guyana, Trinidad and the Antilles — and has since been introduced worldwide. Males are tiny at around 3 cm while females reach 6 cm, and they live a fast 2–3 years. As livebearers they give birth to free-swimming fry rather than laying eggs. A trio or small group suits a planted tank of 40 litres or more, kept at 22–28°C with a pH of 6.8–7.8. Guppies appreciate slightly hard, mineral-rich water and gentle filtration, plus floating plants where fry can hide from hungry adults. Keep more females than males to spread out male attention. Guppies are easy omnivores that relish quality flake, micro-pellets and occasional live or frozen brine shrimp and daphnia. They breed so readily that a mixed group quickly multiplies, so plan for the surplus. Watch for fin rot, ich and fungal skin issues, all usually triggered by poor water or chilling and prevented by steady temperature and regular water changes.

• How active is a Guppy?

  Moderate. An active swimmer that appreciates open swimming space.

• How much maintenance does a Guppy need?

  Easy tank upkeep. No grooming here — steady water quality and routine tank care do it.

• What tank size does a Guppy need?

  Nano-tank friendly. Happy in a small, stable, well-filtered tank.

• Is a Guppy a good fit for first-time owners?

  Some experience helps. A little know-how makes life smoother.

• How long do Guppy live?

  2–3 years. Plan for a long, loving relationship.

• What health issues affect the Guppy?

  Keep an eye out for Fin rot, Ich (white spot), Swim bladder disorder. These are worth raising with your vet, along with any screening they recommend.

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