Welcome to TONMO, the premier cephalopod interest community, and birthplace of #WorldOctopusDay and #CephalopodAwarenessDays. Founded in 2000, we are a large community of experts, hobbyists and enthusiasts, some of whom come together when we host our biennial conference. To join in on the fun, sign up. You can also become a Supporter for just $50/year to remove all ads and enjoy other perks. Follow us on Twitter for more cephy goodness.
You can't easily tell them apart. It's too difficult, they're too much alike and won't hold still. So, do what we all do, just choose a name and choose a sex. You can have a look at what people have named their octopuses in the List of Our Octopuses thread at the top of Journals and Photos.
"Although gender is often used interchangably with sex, today many do not think that sex and gender are the same thing. "
So much for connotation and denotation.
My octo is named Trapper after the occupation of the person who caught it. She is at the end of her brooding cycle (and life unfortunately) but we did not change her name when the discovery of her actual SEX was established