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 might want to take a stroll through the image gallery; for example, here are some O. vulgaris eggs. Just remember that the images belong to the people who posted them.
There are also some threads about O. vulgaris already; in fact if you search the titles only, you come up with all the O. vulgaris threads.