Definition of Fish Commissioner
A public officer of the United States, created by act of congress of February 9, 1871, R-S. § 4395, whose duties principally concerned the preservation and increase throughout the country of fish suitable for food. Office of Commissioner of Fisheries has been abolished with functions transferred to the U.S. Fish and Wildlife Service.
That's the definition of Fish Commissioner in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.