A Threasher Shark breaching off Costa Rica. Knocking off cookiecutter sharks cutting chunks off it. Zoom in and look at base of right pectoral fin and base of caudal fin.🦈 Thanks Casey Klein for posting on Facebook.
Jim Kirkland
@Paleojim
State Paleontologist for Utah; exploring and promoting the history of life in our southwestern deserts for the public good and the wonder of it all.
