Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven gill slits on the side of the head and pectoral fins that are not fused to the head. Modern sharks are classified within the clad Selachimorpha (or Selachii) and are the sister group to the rays.However, the term "shark" has also been used for extinct members of the subclass
LENNOX MUSA
LENNOX MUSA