Carcharias taurus

Carcharias taurus, commonly known as the sand tiger shark or grey nurse shark, is a large coastal shark species found in temperate and subtropical waters worldwide. These sharks are characterized by their distinctive protruding teeth and robust build, typically reaching lengths of 2-3 meters. Sand tiger sharks inhabit continental shelves, often found near rocky reefs, caves, and sandy bottoms from shallow waters to depths of approximately 200 meters. They are known for their unique reproductive behavior, including intrauterine cannibalism where the largest embryo consumes its siblings. The species faces severe population declines globally, earning its Critically Endangered status on the IUCN Red List. Primary threats include overfishing, both targeted and as bycatch in commercial fisheries, habitat degradation, and their naturally low reproductive rate which makes population recovery extremely slow. Sand tiger sharks mature late and produce very few offspring, making them particularly vulnerable to exploitation. Conservation efforts include fishing restrictions, marine protected areas, and international trade regulations under CITES Appendix II. Several countries have implemented specific protection measures, including fishing bans and habitat conservation programs. Research and monitoring programs are ongoing to better understand population dynamics and migration patterns. Public education initiatives aim to reduce fear-based persecution and promote conservation awareness. Despite these efforts, continued population monitoring and enhanced protection measures are essential for the species' survival.