The Earthworm industry, classified under SIC Code 0279, involves the breeding, raising, and selling of earthworms for various purposes. Earthworms are used in a range of industries, including agriculture, fishing, and composting. The industry is primarily focused on the production of earthworms for use as bait in fishing, but there is also a growing demand for earthworms in the organic farming industry. Earthworms are hermaphrodites, meaning they have both male and female reproductive organs. They are typically raised in large containers filled with organic matter, such as compost or manure. The containers are kept moist and at a temperature that is conducive to earthworm growth and reproduction. Once the earthworms have reached maturity, they are harvested and sold to customers. The earthworm industry requires a significant amount of knowledge and expertise in order to be successful. Breeders must have a thorough understanding of earthworm biology and behavior, as well as the environmental conditions that are necessary for their growth and reproduction. They must also be skilled in the art of harvesting and packaging earthworms for sale. Overall, the earthworm industry is a niche market that requires a high level of specialization. However, it can be a profitable business for those who are willing to put in the time and effort to learn the trade.