Black koi fish has always been a symbol of good luck, so the carp in the dream are mostly auspicious, smooth and happy images. In the process of subconscious work during sleep, it is gradually processed and transformed. Dreaming that there is a black koi fish swimming in the pond usually means that you will achieve great success and progress in your studies or career. Dreaming of black koi fish leaping onto the dragon gate indicates that the dreamer will have a successful career and be prosperous. Dream of black koi fish jumping in the water, indicating that there will be a happy event at home in the near future. Herring represents luck, which indicates that you will encounter a good turning point in the process of work or study.