Colourful fish look as if they are wearing long dresses as their tails flare and reveal different patterns. The Siamese fighting fish have a long, flowing tail with their own unique patterns and colours.

The tails will flare and become even longer when the notoriously aggressive Siamese fighters compete against other males in the same territory. The fish have earned their name due to their aggression and they are known to attack each other if they are put in the same tank - even...
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