Male sharks have claspers and are “located on the inner margin of the pelvic fins.” When sharks mate, the males insert one of their claspers into a cloaca (female sex organ) and that’s when ...
A parasitic fish called a lamprey sometimes attaches itself near a male shark’s claspers, or reproductive organs. This can make it more difficult for scientists to identify an individual’s sex.
tiburo in the wild is relatively brief (five months...). "None of the candidate mothers showed any sign of even rudimentary external male copulatory organs (claspers) that are typical of rare cases of ...