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Community Tanks

A well-planted community tank

The community aquarium (in contrast to a species aquarium) is most peoples first experience with tropical fish. As a general rule, community fish, are those that hardy, have no special feeding requirements, and live peacefully together. The fish are not necessarily found in the same bodies of water in the wild (indeed they may be from completely different continents) but will get along together as long as they have space and food. Likewise, community aquarium plants will have no special requirements, and may indeed be absent entirely. Perhaps you prefer sunken ships and treasure chests?

The majority of low-priced fish in an aquarium store will be good candidates for a community aquarium, however it is worth looking up each species requirements before making a purchase - will they get on with existing species in your tank? Will they be ok in your local tapwater?

Aggressive, or predatory fish, or fish with difficult or unusual requirements with regard food, water conditions or tankmates should all be avoided. Ideal community fish are hardy, peaceful, and certainly not-fussy eaters.


A typical community tank will contain a mix of the following fish

livebearers

cyprinids - barbs, danios etc

tetras

catfish - some catfish can grow huge - stick to smaller species, such as Corydoras

cichlids generally should be avoided in anything but a cichlid only community tank, as they get quite aggressive. In a large, well-planted aquarium, the following dwarf ciclids are appropriate

Fancy guppies ( multi delta and blue moscow mix) 25 fry

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Some fish are often sold as community fish, and on occasions may do well, but the vast majority of the time do not. However cool or cute you think these species are DO NOT buy them for your community tank

  • Pleco - dwarf varieties are fine, but the standrad pleco can get very big very quickly. If you have an algae problem, feed less food, don't add to the bioload!
  • Elephant nosed fish. These are very sensitive, nocturnal and difficult to feed - in a community tank the other fish will get all their food and they will slowly starve
  • Red tailed catfish - these cats look cool as tiddlers in your local shop, but can grow several feet long. Public aquariums are already bursting with donated red-tails that their owners should not have bought in the first place
  • Pangasius sutchi - another species sold as a youngster that gets too big for most home aquaria. Furthermore they like to swim continually, which gets difficult in a small rectangular tank







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Fishkeeping Facts and Tips

Low light plants Java moss, Java fern, and several of the Anubias species all do fine in low-light conditions. That is not to say that they do not thrive with stronger lighting, but in an aquarium with a lot of floating plants, or one with timid fish that prefer a dimmer tank, these plants are very useful indeed. All are epiphytes; that is to say they need not be planted, and can be attached to stones, bogwood or just left free floating


Have a look at some of these related sites

killifish information
paludarium information
cichlids for sale