Spinner shark (Carcharhinus brevipinna), from Grace, M. (2001). "Field Guide to Requiem Sharks (Elasmobranchiomorphi: Carcharhinidae) of the Western North Atlantic". NOAA Technical Report NMFS 153.
Date August 2001
Source http://spo.nwr.noaa.gov/tr153.pdf
Author Mark Grace
Source: https://commons.wikimedia.org/wiki/File:Carcharhinus_brevipinna_drawing.jpg

The spinner shark (Carcharhinus brevipinna) is a species of requiem shark, in the family Carcharhinidae, named for the spinning leaps it makes as a part of its feeding strategy. This species occurs in tropical and warm temperate waters worldwide.