The Otolith Research Laboratory of the Bedford Institute of Oceanography, Dartmouth, Nova Scotia, Canada has a excellent site with links to abstracts of their papers and to several European sites. They also include detailed information on otolith ageing and sections from the book, SECOR, D.H., J. M. DEAN and S.E. CAMPANA [ed]. 1995. Recent Developments in Fish Otolith Research. Univ. of South Carolina Press. Columbia, S.C. 730 pp.

University of Cape Town, South Africa

University College, Cork, Ireland has information regarding an otolith database

The Pacific States Marine Fisheries Commission (PSMFC) Regional Mark Processing Center has information on coded wire tags and thermal marking of otoliths

The CATAG website has information regarding chemical and thermal marking