The red hair crab is a perennial crab underwater creature that is produced in the waters of Japan, Vladivostok, Russia, and the Korean Gulf, and generally lives below 1,000 meters. The adult male red hair crab is generally 0.6-2 Between kilograms, females are relatively smaller, generally between 0.3 and 0.7 kilograms.

Generally, red hairy crabs are on the market around the Mid-Autumn Festival. However, because crab conditions vary from year to year, the time when red hair crabs are on the market is also different, which mainly depends on when the temperature starts to drop.