Guide: Choosing fish for the community tank

Basic Information:

A community fish tank can be great fun and is a popular choice for a successful aquarium. Community fish are those fish that typically are non- aggressive to semi aggressive fish that live well in a group environment. These fish species are typically not only highly compatible with each other, but are also highly compatible with a large variety of live aquarium plants as well. Most community fish are small to medium in size and can be kept in small to moderately sized aquariums all the way to large aquarium systems. Most styles of filtration can be used to provide good water quality as long as you choose a filter that is properly rated for the size of aquarium you are keeping.



Fish compatibility is fairly easy with a community system and most species from the following families are generally very compatible with one another and make great additions to the community aquarium:

  • Tetras
  • Danios
  • Rasboras
  • Guppies
  • Mollies
  • Platies
  • Swordfish
  • Rainbowfish
  • Barbs (Dwarf)
  • Gouramis
  • Angelfish
  • Cory Catfish
  • Otocinclus
  • Plecostomus (Dwarf)


Food/ Diet:

Community fish are generally omnivores and generally need both meaty protein sources in addition to vegetable matter in their diet. A lack of nutrient and an over abundance of protein can lead to compaction and digestive issues. To provide a well-rounded diet, we recommend Seachem NutriDiet: Tropical to provide proteins such as whole Fish Meal as well as squid while providing a nutritious chlorella algae baseline. You can also supplement their diet with foods that are primarily algae based such as NutriDiet : Chlorella flakes and NutriDiet: Shrimp flakes to provide alternate food options for your fish. You can also supplement with food options such as protein heavy frozen foods also.

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