Sea rancher
In agriculture, a sea rancher was a type of farmer who practiced ranching in the open sea. 

Ruth Bonaventure, one of the women Harry Mudd had recruited for wiving settlers on Ophiucus III, came from a pelagic planet, populated by sea ranchers, all of whom lacked the necessary requirements for being a potential husband. ()

See also
Beta Tottoro IV

Victual occupations