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TONMO is a 25+ y/o forum-based community dedicated to cephalopods, octopus, squid, cuttlefish, fossils and all things cephy :-). Creator of ForumBot.

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Joined October 2007
Photo by TONMO (@cephs)Photo by TONMO (@cephs)Photo by TONMO (@cephs)Photo by TONMO (@cephs)Photo by TONMO (@cephs)
Day 31of OCTO-ber! We made it! Today is the larger Pacific striped octopus. This octopus still lacks a scientific name, but for decades was called "Octopus X" by the citizen scientist, artist, and diver who helped study it, Arcadio Rodaniche. Stripes aren't the only unusual thing about this mysterious octopus. It's also known for behavior that has challenged assumptions about how solitary octopuses can be. 🐙 The more you learn, the more questions appear. That's where OCTOPUS X begins. Order your copy now to learn more about this understudied species And thank you for enjoying all things octopus for OCTO-ber! amazon.com/dp/1642834408?lv=… PC: Dave Maass/Wikimedia Commons @PrincetonUPress @TheOctoNation @cephs #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #reading #readers #october
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Happy Halloween! Issue #26 of TONMO Cephalopod News: why New England's longfin squid ran months late, fishermen helping build a new squid assessment, Halloween on the Octopodcast, and a deep-sea octopus that chased an ROV's lasers like a cat. 🐙 tonmo.com/articles/cephalopo…
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Day 30 of OCTO-ber is the lesser Pacific striped octopus (Octopus chierchiae). Tiny, striped, and striking, this species has become especially interesting to researchers studying octopus behavior and reproduction. 🦓 It also is the sister species of OCTOPUS X. Stay tuned for the final reveal tomorrow. amazon.com/dp/1642834408?lv=… PC: Richard Ross @PrincetonUPress @TheOctoNation @cephs #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #newbooks #tbr #reading #readers #october
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Day 29 of OCTO-ber: Octopus laqueus lacks a common name but may be one of the more tolerant octopus species toward its fellow octopuses. It's a species you've probably never heard of, but is quietly rewriting parts of octopus behavior. It was also a really cool species to write about 🐙 Two days. Two octopuses left, and these are the big ones for OCTOPUS X. Preorder your copy below: amazon.com/dp/1642834408?lv=… PC: David Liittschwager / LifeScanner, Centre for Biodiversity Genomics, CC BY 3.0/Wikimedia Commons @PrincetonUPress @cephs @TheOctoNation #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #newbooks #tbr #reading #readers #october
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Are you team Gonatus fabricii or Gonatus steenstrupi
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Day 28 of OCTO-ber is the Atlantic white-spotted octopus (Callistoctopus macropus), known for the white dots all over its body. Want more? Keep following OCTO-ber and get ready for OCTOPUS X by preordering now. amazon.com/dp/1642834408?lv=… PC: SUBnormali Team, CC BY-SA 3.0/Wikimedia Commons @PrincetonUPress @cephs @TheOctoNation #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #newbooks #tbr #reading #readers #october
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Day 27 of OCTO-ber is the long-armed octopus (Amphioctopus fangsiao). This octopus is commonly fished and found in the northern Pacific #ocean. I dive into the slippery slope of octopus farming in my upcoming book OCTOPUS X. Preorder your copy now: bookshop.org/p/books/octopus… PC: 松岡明芳 - 松岡明芳/Wikimedia Commons @PrincetonUPress @cephs @TheOctoNation #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #BooksWorthReading #reading #readers #october
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Day 26 of OCTO-ber is the Pearl octopus (Muusoctopus robustus). Two miles beneath the surface, something remarkable was happening: Pearl Octopuses were brooding their eggs near a deep-sea seamount in California. Does this mean they're more #social than other octopuses? 🌊 The deeper you go, the stranger the story gets. Descend into OCTOPUS X. amazon.com/dp/1642834408?lv=… Note: This is not an image of the pearl octopus (I couldn't find any in the public domain). Instead this of an unknown octopus seen in Hudson Canyon. PC: National Oceanic and Atmospheric Administration Office of Ocean Exploration and Research/Wikimedia Commons @PrincetonUPress @cephs @TheOctoNation #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #newbooks #reading #readers #october
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Inktober - Day 25 Did you know the only solid part of an octopus it's their beak? 🐙🦴 #inktober #inktober2026 #fracture #oc #xray #digitalart #smallartst #radiography #octopus
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Day 25 of OCTO-ber is the Dorado octopus. This octopus lacks a scientific name and is a deep-sea mystery. ✨ Scientists discovered the Dorado Octopus near hydrothermal springs off Costa Rica, where females were seen brooding their eggs.🌋🐙 There are still octopuses waiting to be discovered. Find out more in OCTOPUS X. bookshop.org/p/books/octopus… Note: the image is of an unknown deep sea octopus seen in Indonesia, not the Dorado Octopus (I couldn't find a public domain image for the Dorado species). PC: NOAA Ocean Explorer/ Wikimedia Commons @PrincetonUPress @octonation @cephs #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #newbooks #tbr #reading #readers #october
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Day 24 of OCTO-ber is the curled Octopus (Eledone cirrhosa). Does it have one arm? Two rows of suckers? Nope. The curled octopus belongs to a group known for having a single row of suckers on each arm. Find out more about weird octopus anatomy in OCTOPUS X. amazon.com/dp/1642834408?lv=… PC: Bernard Picton/Wikimedia Commons @PrincetonUPress @cephs @TheOctoNation #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #reading #readers #october
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🐙🐙🐙🐙OCTOber🐙🐙🐙🐙 Octopus 24/31: stareye octopus
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Day 23 of OCTO-ber: Meet the musky octopus (Eledone moschata), a Mediterranean octopus with a name you definitely wont forget. It has a signature musky scent and has been the focus of several early studies about possible octopus social behavior. Find out more in OCTOPUS X amazon.com/dp/1642834408?lv=… PC: Isabelle Cheret (Ifremer)/Wikimedia Commons @PrincetonUPress @cephs @TheOctoNation #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #newbooks #tbr #reading #readers #october
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Day 22 of OCTO-ber is the bumblebee Octopus (Octopus hummelincki)! This octopus was involved in one of the most important studies around octopus lifespans. Octopus hummelincki may be tiny, but those brilliant blue spots are hard to miss. 💙 Celebrate OCTO-ber by preordering OCTOPUS X. bookshop.org/p/books/octopus… PC: Kevin Bryant, DMD / Flickr / CC BY 2.0 @PrincetonUPress @cephs @TheOctoNation #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #reading #readers #october
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Day 21 of OCTO-ber is the algae octopus (Abdopus aculeatus). This octopus has one of the most complex mating interactions, where males can sneak in to mate with females, avoiding their dominant rivals. Does that make them capable of being #social? Find out more in OCTOPUS X. amazon.com/dp/1642834408?lv=… PC: IchHier--15er (Diskussion)/Wikimedia Commons @PrincetonUPress @TheOctoNation @cephs #octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #reading #readers #october
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Twenty days and finally someone else who draw an octopus for Inktober! :D Looks so cool
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