Assertion: fish's organ | /r/HasProperty | clasper
Facets:
Source sentences:
text: The male introduces sperm into the female by using special copulatory organs (claspers) derived from the pelvic fins.
text: Like sharks and rays, chimaeras have cartilaginous skeletons, and the males possess external reproductive organs (claspers) derived from the pelvic fins and used to introduce sperm into the body of the female.