• 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. Dagon (2001)

    Dagon (2001)

    a film by Stuart Gordon, made in Spain 2001, released direct-to-video 2002, running time 98 minutes. In Spanish and English. Reviewed by nanoteuthis https://amzn.to/2XFihVW Rated R A man dreams of diving through undersea ruins where a beautiful mermaid beckons; as they embrace, she opens...
  2. Who and/or What is Cthulhu? (satire!)

    Who and/or What is Cthulhu? (satire!)

    Artwork by Greg Ewald Editor's note: In 2005, I asked Greg Ewald (@cthulhu77) and Erich Orser (@erich orser) to write an article to answer the popular TONMO.com visitor question, "what is Cthulhu?"... While this is not a holistic Cthulhu definition, a true, good description can be found in...