Blacknose sharks in the South Atlantic Bight ( off the Atlantic coast of the southern United States ) migrate northward in the summer and southward ( or possibly offshore ) in the winter ; a similar migration occurs for sharks in the Gulf of Mexico .
Blacknose sharks found off the Atlantic coast of the southern United States migrate northward in the summer and southward in the winter ; a similar migration occurs for the Blacknose sharks in the Gulf of Mexico .