Sharks can be difficult to identify. To get a positive id you really need lots of pictures. In my book, The Art of Fishing for Records, I provide the following information: โFor sharks and other hard to identify species pictures should be taken of the head, tail, belly, dorsal fin, mouth, teeth, and anal fin.โ Lots of records have been lost because not enough photos were taken to identify a shark. That being said, based on your picture, the location, and the size of the shark, it appears to be an Atlantic sharpnose shark. If I had a good picture of the anal fin position I could be sure, but with the existing picture I am open to other opinions.
There is a great deal of angler knowledge on this forum.