• 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. mataconda

    Hello from Winnipeg

    I have been a reef tank enthusiast for the better part of 10 years now. I have always been interested in ceph's, but have never had the opportunity to keep one as a guest in our home. I'm here for a info injection. I do plan on taking my time and building a solid drilled custom built glass house...