Development and validation of a drill attachment for faster and safer deployments of fin-mounted geolocators in large-bodied sharks

Vital Heim, Daniel Lüscher, Jürgen Hottinger & Dieter Ebert
Abstract Fin-mounted geolocators are widely used in marine studies to track animal movements and to design informed management strategies. However, the deployment protocols of such geolocators, which normally consist of drilling one to multiple holes using a template, can be challenging, and depending on the animal’s stress physiology and ocean conditions, speed and accuracy may be crucial. Here, we present the plans for a drill attachment allowing the template-free drilling of up to four holes...
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