Fig. 2From: Tracking sharks without teeth: a non-invasive rigid tag attachment for large predatory sharks a A 2.7-m TL male with the CATS Diary tag already released, but the clamp still attached—see the two ends of the clamp arms. b First, the magnesium sleeve corrodes and one clamp arm falls away. c Then the clamp slides up the fin and d falls off completely leaving only slight abrasions on the finBack to article page