Assertion: octopus's sperm | /r/MadeOf | tentacle
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text: Males can either mount the female, reach its hectocotylus, the sperm containing tentacle, into her oviduct, releasing its sperm to cover the eggs, or take off its hectocotylus and give it to the female so that she can store his arm in her mantle and use it when the eggs are ready to be internally fertilized.