Features

As my passion for sharks expanded when I was younger, so did my knowledge that The Netherlands is not particularly known for its high elasmobranch abundance and diversity in its European continental waters. We do, however, have some smaller elasmobranchs like the small-spotted catshark (Scyliorhinus canicula), spiny dogfish (Squalus acanthias), starry smooth-hound (Mustelus asterias) and the…
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During a 2013 field project in Gansbaai, South Africa we collected valuable data for over 6 months on the unique dorsal fin notch pattern and length of white sharks (Carcharodon carcharias). Combining two non-invasive methods like dorsal fin photo ID (see Andreotti et al. 2014) and parallel laser photogrammetry, we succeeded to measure (and re-measure) individual…
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