1. Bayliff, W.H., 1980. Synopsis of biological data on the northern bluefin tuna, Thunnus thynnus (Linnaeus, 1758), in the Pacific Ocean. Synopsis of biological data on eight species of scombrids. Inter-American tropical tuna commission, La Jolla, California, pp. 265–291
2. Collette, B.B., Nauen, C.E., 1983. An annotated and illustrated of tunas, mackerels, bonitos and related species known to date. FAO Fisheries Synopsis No.125, FAO species catalogue Vol. 2 scombrids of the world. Food and Agriculture Organization of the United Nation, Rome, pp. 42–43
3. Epidemiological analysis of persistent organochlorine contaminations in cetaceans;Colborn;Review of Environmental Contamination and Toxicology,1996
4. Factors determining the bioaccumulation potential of pesticides in the individual compartments of aquatic food chains;Ellgehausen;Ecotoxicology and Environmental Safety,1980
5. Environmental Agency Japan, 1997. Chemicals in the Environment. Office of Health Studies, Environmental Health Department, Environmental Agency, Japan (in Japanese)