Hislop supports the protection of harmless shark species like whale sharks and sand tiger sharks. Carcharias is a genus of sand tiger sharks belonging to the family Odontaspididae. Very little is known of the biology and behavior of the smalltooth sand tiger. The eyes of the sand tiger shark are small, lacking eyelids. They do not engage in sibling cannibalism unlike the sand tiger shark ("Carcharias taurus"). The bigeye sand tiger feeds on bony fishes and squid. Sandbar sharks, and Sand tiger sharks continuously swim at mid-depth. Other studies indicate sand tiger sharks can be indifferent to divers. The sand tiger shark is a nocturnal feeder. The bigeye sand tiger has been caught between the depths of . Because the bigeye sand tiger is encountered so infrequently, it has no commercial importance. There is no evidence of sibling cannibalism as in the sand tiger shark ("Carcharias taurus"). Because the sand tiger shark is worldwide in distribution, it has many common names. No evidence of sibling cannibalism is seen as in the sand tiger shark ("Carcharias taurus"). In December 2010, Kelly Tarlton's received five new Sand Tiger Sharks from the USA.