The 10 best fish for a community aquarium

Peaceful, colourful and easy to care for: with these ten species you can put together a lively community aquarium.

Neon tetra (Paracheirodon innesi) above the aquarium floor
Photo: Warrieboy, CC BY-SA 4.0, via Wikimedia Commons

A community aquarium is all about species that get along. Make sure your aquarium has cycled first and add fish in small groups, not all at once.

Our top 10

Neon tetra

Neon tetra (Paracheirodon innesi)
Photo: Горбунова М.С., CC BY-SA 4.0, via Wikimedia Commons

The classic; keep them in schools of at least ten.

Harlequin rasbora

Harlequin rasboras (Trigonostigma heteromorpha)
Photo: Juan R. Lascorz, CC BY-SA 3.0, via Wikimedia Commons

Calm and beautiful in a group.

Zebra danio (Danio rerio)

Zebra danios (Danio rerio)
Photo: Pleple2000, CC BY-SA 4.0, via Wikimedia Commons

Active and hardy, ideal for beginners.

Corydoras

Peppered corydoras (Corydoras paleatus)
Photo: Ude, CC BY-SA 3.0, via Wikimedia Commons

Bottom dwellers; keep six or more over sand.

Platy

Two platies (Xiphophorus maculatus)
Photo: Carlosar, CC BY-SA 3.0, via Wikimedia Commons

Cheerful and easy, available in many colours.

Guppy

Cobra guppy (Poecilia reticulata)
Photo: Andrew Sheedy, CC BY-SA 4.0, via Wikimedia Commons

Colourful livebearer; note that they multiply quickly.

Honey gourami

Male honey gourami (Trichogaster chuna)
Photo: Marcus Cyron, CC BY-SA 3.0, via Wikimedia Commons

A calm, small gourami.

Bristlenose pleco (Ancistrus)

Bristlenose pleco (Ancistrus)
Photo: Júlio Reis, CC BY-SA 4.0, via Wikimedia Commons

Eats algae and stays relatively small.

Otocinclus

Otocinclus on driftwood
Photo: Evan Baldonado, CC BY 4.0, via Wikimedia Commons

Small algae eater for a well-established tank.

Amano shrimp

Amano shrimp (Caridina multidentata)
Photo: Atulbhats, CC BY-SA 4.0, via Wikimedia Commons

Not a fish, but an excellent algae eater.

Tips for a successful combination

  • Choose an aquarium of at least 60 litres
  • Combine species with similar temperature and pH requirements
  • Keep schooling fish in groups; alone or in pairs they become shy