Habitat destruction. Pollution. Over exploitation. All terms that have been echoed through the vast literature over and over again, and which are being institutionalized in our understanding of the world around us. Once again, my friends, we must apply the deleterious effects of these atrocious activities to yet another beautiful group of creatures, those belonging to the super order Selachimorpha under the subclass Elasmobranchii (for simplicity sake, we’ll call them sharks). It has been shown that population levels of sharks have been experiencing precipitous declines for many decades.
While all activities that impact the shark populations are of importance, the largest driver (and possibly most important) is that of over exploitation. Over harvesting sharks, especially for their fins, has decimated species abundances, resulting in losses anywhere from fifty percent to complete collapse. Continue reading Was Jaws Really the Villain?