To see or catch a Marlin in your fantasy implies that you should be more unequivocal and manufacture forward with your arrangements. On the other hand, seeing a marlin in your fantasy recommends that you should be more straightforward about your sentiments.

To see or catch a marlin in your dream means that you need to be more decisive and forge forward with your plans. Alternatively, seeing a marlin in your dream suggests that you need to be more direct about your feelings.