Department of Recreation;
Park and Tourism Sciences;
Texas A&M University;
College Station;
USA;
Department of Wildlife and Fisheries Sciences;
Texas A&M University;
College Station;
USA;
Wildlife Health Center;
School of Veterinary Medicine;
University of California;
Davis;
USA;
Fishes; Giant; Otter; Gold; Mining; Mercury; Methylmercury; Perú;