The leading source of human-caused mortality is incidental catch and entanglement in fishing gear, such as gillnets. Estimated and reported levels of fishery-related mortality are so low that they likely have an insignificant impact on the population. California sea lions are sometimes viewed as a nuisance by commercial fishermen and there are records of stranded sea lions with gunshot wounds and other human-caused injuries. | The leading source of human-caused mortality is incidental catch and entanglement in fishing gear, such as gillnets. Estimated and reported levels of fishery-related mortality are so low that they likely have an insignificant impact on the population. California sea lions are sometimes viewed as a nuisance by commercial fishermen and there are records of stranded sea lions with gunshot wounds and other human-caused injuries. |