Assertion: octopus's hectocotylus | /r/HasProperty | arm
Facets:
Source sentences:
text: One of the ways tiny males deal with such extensive size differences is to develop a massive hectocotylus (an arm specialized to deliver sperm).
text: Every male octopus has a hectocotylus, an arm that contains sperm necessary to fertilize eggs.
text: The male first "mounts" the females mantle, then inserts the hectocotylus, an arm that acts as a "tube", to allow the sperm to enter the female's oviduct.