Abstract
This ‘Perspectives’ paper identifies aspects of tiger shark (Galeocerdo cuvier) biology that are currently unknown or for which additional data are needed to improve interpretive power. Some of these data gaps may be regional. Technical or methodological approaches to acquiring these data are suggested. Some of these technologies already exist, some are in development and some exist in concept only. Reproductive biology and behavior, social interactions and the behavioral ecology of sub-adults are among the areas identified as deserving of future research effort
Highlights
Tiger sharks (Galeocerdo cuvier) are large, iconic predators with a circumglobal distribution in warm waters (Compagno, 1984). They play an important role in ecosystem function (Heithaus and Dill, 2002; Ferreira et al, 2017; inter alia) and are among the top three shark species identified in attacks on humans (International Shark Attack File1)
This paper identifies several aspects of tiger shark biology that are currently unknown or poorly understood and which we believe are critical to our understanding of this important predator
We focus on questions that are specific to tiger sharks and which are amenable to manipulative or empirical field experiments There may be other fruitful areas for investigation that are not covered here
Summary
Tiger sharks (Galeocerdo cuvier) are large, iconic predators with a circumglobal distribution in warm waters (Compagno, 1984). This paper identifies several aspects of tiger shark biology that are currently unknown or poorly understood and which we believe are critical to our understanding of this important predator. We suggest technical solutions or methodological approaches for acquiring data to fill gaps in our knowledge of tiger shark biology. Some of these technologies already exist, some are in development and others currently exist in concept only
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