- Bird, J. 2009 Jonathan Bird's Blue World. Webisode 15: The shark and the lamprey. http://www.blueworldtv.com/s1_e15.html (video). (Ref. 83375)
- Food and Agriculture Organization of the United Nations 1992 FAO yearbook 1990. Fishery statistics. Catches and landings. FAO Fish. Ser. (38). FAO Stat. Ser. 70:(105):647 p. (Ref. 4931)
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