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Tropical fish are the most popular branch
of fish keeping and also the easiest to keep. If you
are a beginner you could start off with tropical freshwater
fish. There is some equipment needed like a filter
and a heater but these can be picked up fairly inexpensively.
This system supports a large range of
species most of which are relatively small and hardy.
Tropical freshwater fishes are often brightly coloured
and require little space. You can keep quite a few
species and number of fish to one tank unlike other
systems.
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