January that he had captured and photographed the male of the world's
most sexually unequal species. When the blanket octopus male (2 cm
long) mates with the female (6 feet long), it uses a special extension
arm to transfer sperm from its penis (after which the male dies).
Females, which may weigh 10,000 times as much as the males, are
typically found with several such extension arms lodged inside them.
[The Age (Melbourne), 1-23-03]