Department of Zoology and Environmental Biology;
University of Calabar;
Calabar;
Nigeria;
Department of Biochemistry;
Faculty of Basic Medical Sciences;
University of Calabar;
Calabar;
Nigeria;
Institute of Oceanography;
University of Calabar;
Calabar;
Nigeria;
Department of Marine Biology;
Akwa Ibom State University;
Ikot Akpaden;
Nigeria;
Oil Industry; Heavy Metals; CRAYFISH; Human Health Risk; CARCINOGENIC; NON-CARCINOGENIC;