Second Thematic Meeting of CRAYNET, Halden Norway, 1-4 September 2003 T. TAUGBØL, L. EDSMAN and C. SOUTY-GROSSET Bull. Fr. Pêche Piscic., 372-373 (2004) 233-239 Published online: 01 April 2008 DOI: 10.1051/kmae:2004022