• 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.


  1. M


    yo yo im new! whatsup? share your favorite octopus pictures or facts with me!
  2. Colin's Cuttlefish and Octopus Photos

    Colin's Cuttlefish and Octopus Photos

    by Colin Dunlop - 2004 Ever since I became interested in keeping cephalopods as pets I have tried very hard to help out other people as much as I can. This has included answering questions on message boards and posting pictures wherever possible. My original site, soon to be discontinued, was...