The income of crab fishermen can vary greatly, with some making as little as $11,000 per year and others making nearly $300,000 per year. Factors such as location, seasons of work, and costs associated with the profession can all impact their earnings. In the United States, the average annual salary for crab fishermen is $52,435, with the top 86% making $294,395 or more. Crab boat captains are the highest earners, with most making $200,000 or more annually, and those in Alaska can earn up to $314,285 per year.