bait bucket biologist
n.— «While pike have not been stocked extensively in Colorado waters since the early 1980s, some fish have escaped, or been “planted” illegally by “bait bucket biologists” in other Colorado waters where they were not intended to be, sometimes repeatedly.» —“Northern Pike—A Troublesome Trophy” by Colorado Division of Wildlife Wildlife Report (Colorado) Apr. 25, 2000. (source: Double-Tongued Dictionary)