The term 'FISHER USING A STOWNET' is a job description for an eeler, which is someone who catches eels using a stownet. This type of fishing is a traditional method of catching eels that has been used for centuries. The stownet is a large net that is set in the water and left to catch eels as they swim by. Eelers must be skilled in setting and retrieving the net, as well as in identifying and handling the eels they catch.