Common dry sea cucumber specifications in the market are: 0/0-19 per catty, or 20-29 or 60-68, and there are only a few or hundreds of specifications per catty, but the largest and smallest specifications are not very common, but the ones mentioned above are more common. You can choose the size according to your own needs when buying.

Sea cucumber belongs to invertebrates, echinoderms and Holothuria. There are more than 900 species in the world, and about 140 species in China. Among them, the Indian Ocean and the Western Pacific Ocean are the regions with the largest species and resources of sea cucumbers in the world. China's sea cucumbers are distributed in temperate zone and tropical zone. The temperate zone is mainly in Bo Huang sea area, and the main economic species is Stichopus japonicus, which is also the most famous sea cucumber species in China. The tropical zone is mainly in Guangdong, Guangxi and Hainan coastal areas, and the main economic species are Japanese ginseng.