what is the bull shark genus?
<answer> Carcharhinus leucas <context> Musick, J.A. & Fowler, S.L. (Shark Red List Authority) Justification: This assessment is based on the information published in the 2005 sharks status survey (Fowler et al. 2005). The Bull Shark (Carcharhinus leucas) is a common tropical and subtropical species that occurs in marine, estuarine and freshwater.