Betta Fish have been studied for years by scientists and experts, to understand the true causes of their aggressive behaviour. One of the root causes has been identified in the change of lifestyle to which these fish have been subjected through the centuries.
In fact, in the wild, these fights are much less frequent or forceful than the ones we can observe in fish kept in captivity.
One of the main reasons for this is believed to be a lack of space. Usually, in the wild, there is much more space for these fish to swim and to have their own territory, whereas a small tank can be extremely limiting to them.
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