This is a carp, but it is not an ordinary carp. It's koi fish. Koi fish is called "auspicious fish", "geomantic fish" and "noble mermaid" in China and even Japan, which means "wealth, auspiciousness, health and happiness". Therefore, koi fish tattooed fish means good luck, wealth and wealth. You can get a tattoo. But it is best not to tattoo it on the back. The tattoo on the back has the meaning of bearing, which is likely to be unbearable according to personal eight-character system and other factors, which will have a bad influence.
I hope I can help you:)