Most recent opponents include Healdsburg Prune Packers, San Luis Obispo Blues, Seals Baseball, Walnut Creek Crawdads, Solano Mudcats, Marysville Gold Sox and many others from the CCL League. Past opponents include House of David, the Indianapolis Clowns, the Oakland Larks, the Los Angeles White Sox, the San Diego Tigers, the Portland Roses, Owl Drug, the Alaska Goldpanners, the Redding Browns, the Bend Elks, the Bellingham Bells, the North Pole Nicks, the Valley Green Giants, the Santa Barbara Foresters, the Anchorage Glacier Pilots, the Boulder Collegians, the Sacramento Smokeys, the Grand Junction Eagles,  and Athletes in Action. Through the years the Crabs have run multiple secondary teams, the Humboldt Ports (1962), the Humboldt All-Stars (1996-2006), and the Humboldt Steelheads (2007-2011).
Most recent opponents consist of Healdsburg Prune Packers, San Luis Obispo Blues, Seals Baseball, Walnut Creek Crawdads, Solano Mudcats, Marysville Gold Sox and many others from the CCL League. Former opponents include House of David, Indianapolis Clowns, Oakland Larks, Los Angeles White Sox, San Diego Tigers, Portland Roses, Owl Drug, Alaska Goldpanners, Redding Browns, Bend Elks, North Pole Nicks, Valley Green Giants, Santa Barbara Foresters, Anchorage Glacier Pilots, Boulder Collegians, Sacramento Smokeys, Grand Junction Eagles, and Athletes in Action. Over the years, the Crabs have operated multiple secondary teams: Humboldt Ports (1962), Humboldt All-Stars (1996-2006), and Humboldt Steelheads (2007-2011).