are siamese fighting fish easy to care for001 and it was determined to use only the frequency of the behaviours for the analyses. Total travelled distance and time spent within one body distance to the stimuli was calculated using UMA Tracker MATracker/. To test the speculation that male and feminine competitive behaviour may be correlated, one male and feminine sibling pair from each of 10 alternative households various mom and dad of the fighter strain raised in separate aquaria were tested with the mirror presentation, following the above tactics. Males were 3. 12 cm and women 3. 14 cm in essential length.