siamese fighting fish cost uk2012. The maze is fully formed in betta fish at the age of one month. To accelerate this technique a bit, it is suggested to lower the water level in the spawning box to 5 cm and turn on weak aeration. As soon as the combating fish begin to show aggression against their associates, the siamese combating fish are seated and kept in separate containers. Displays are a feature of animal contest behaviour and feature been interpreted as a method of gathering counsel on opponent combating capacity, as well as signalling aggressive motivation. In fish, contest displays often come with frontal and lateral aspects, which in the latter involves contestants showing their flanks to an opponent.