Wikipeda: Nurse Shark (New Window)
A gallery of photos as well as charts listing conservation status, scientific classification and distribution. This site has several paragraphs covering such topics as nurse shark behavior, taxonomy and interaction with humans to name some.
Florida Museum of Natural History: Nurse Shark (New Window)
This site has a video of a nurse shark as well as several illustrations. It contains a lot of written information about the nurse shark as well.
Grey Nurse Sharks (New Window)
This site is by the Australian Government Department of Environment, Water, Heritage and the Arts. It presents information about the grey nurse shark (Carcharias taurus), which is also known as the sand tiger shark or spotted ragged-tooth shark