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
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TONMO retweeted
This @nytimes cuttlefish camo article by @alexaroblesgil today has some great graphics.
Close-ups below of the mechanisms of color change.
nytimes.com/2026/10/12/scien…
TONMO retweeted
Day 19 of OCTO-ber is the plain-body octopus (Callistoctopus aspilosomatis). Callistoctopus aspilosomatis is a fascinating Indo-Pacific octopus. Interestingly enough, researchers used this species to test whether octopuses felt their arms using the rubber hand illusion. Read more about this #experiment in OCTOPUS X.
amazon.com/dp/1642834408?lv=…
PC: Anne Hoggett (CC BY-NC)/iNaturalist
@TheOctoNation @PrincetonUPress @cephs
#octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #newbooks #reading #readers #october
TONMO retweeted
Day 18 of OCTO-ber and things are getting spooky with the #vampire #squid (Vampyroteuthis infernalis). Okay, technically not an octopus. Not technically a squid, either. 🧛♂️ The vampire squid lives in the deep ocean, and has one of the best scientific names in the #sea. OCTO-ber gets weird. OCTOPUS X gets weirder. Get your copy now: bookshop.org/p/books/octopus…
PC: NOAA Photo Library/Wikimedia Commons
@PrincetonUPress @TheOctoNation @cephs
#octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #reading #readers #october
TONMO retweeted
It's day 17 of OCTO-ber and we have the California two-spot octopus (Octopus bimaculoides). This octopus is common in the #laboratory and was the first octopus to have its #genome fully sequenced. Two distinctive blue-black spots sit just behind its eyes. You can read more about how this octo is making an impact in my upcoming book OCTOPUS X: amazon.com/dp/1642834408?lv=…
PC: Wikimedia Commons
@PrincetonUPress @TheOctoNation @cephs
#octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #reading #readers #october
TONMO retweeted
Day 16 if OCTO-ber is the gloomy octopus (Octopus tetricus)! These octopuses became famous as the citizens of #octopolis and #octlantis, the two octopus "cities" found in #australia. But they're not the only octopuses known to tolerate each other (though punching is somewhat common). Read more about other octopus groups in OCTOPUS X.
amazon.com/Octopus-Discovery…
PC: Sylke Rohrlach/Wikimedia Commons
@cephs @TheOctoNation @pgodfreysmith @PrincetonUPress
#octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #newbooks #reading #readers #october
TONMO retweeted
Day 15 of OCTO-ber: The Maori Octopus (Macroctopus maorum) is also called the New Zealand octopus or wheke in Māori. This beauty has been observed tolerating other octopus species in #australia. Read more about octopuses interacting with each other in my upcoming book OCTOPUS X.
amazon.com/dp/1642834408?lv=…
PC: Sylke Rohrlach/Wikimedia Commons
@PrincetonUPress @TheOctoNation @cephs
#octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #newbooks #reading #readers #october
TONMO retweeted
Diplomoceras - an extinct genus of a large trombone or paperclip shaped heteromorph ammonite (suborder Ancyloceratina) (feat. Osaka)
#azumangadaioh #あずまんが大王 #azupaleo #azupaleoart #paleoart #farhanpaleoart
TONMO retweeted
今日は何の日? 10/15は「#化石の日」
三陸鉄道リアス線・陸中山田駅前で見つけた #ポケモンマンホール は化石から復活したオムナイト！
三陸海岸の白亜紀の地層「宮古層群」はアンモナイト等の貴重な化石産地…とのこと。
仙台営業所の提供
#ポケふた #岩手 #山田町
#社員が集めたマンホール蓋（67）
TONMO retweeted
Day 14 of OCTO-ber: The rock tako octopus (Octopus oliveri) is also known locally in Hawa'ii as heʻe pali or the cliff octopus. It's not a well-studied octopus species but it is one of two octopus species known to mate beak-to-beak. The other species? Well, you'll just have to wait and read the book to find out! Preorder OCTOPUS X now!
PC: Auckland Museum Collections from Auckland, Aotearoa New Zealand via Wikimedia Commons.
bookshop.org/p/books/octopus…
@PrincetonUPress @TheOctoNation @cephs
#octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #reading #readers #october
François Pineau just logged a giant squid from the Comoros: an Architeuthis dux found off Anjouan Island on September 26, 4.22 m without the long tentacles.
tonmo.com/threads/architeuth…
TONMO retweeted
A beautiful piece of history where nature meets extraordinary craftsmanship. This 16th-century Nautilus Cup, with its shimmering shell and intricate silver details, is truly a work of art.
TONMO retweeted
Day 13 of OCTO-ber is the Atlantic pygmy octopus (Octopus joubini).🐙 This octo grows to only a few centimeters. One of the first studies to look at #octopuses tolerating each other was done with this species. Discover more in OCTOPUS X
amazon.com/dp/1642834408?lv=…
PC: Katie Ahlfeld/Wikimedia Commons
@PrincetonUPress @TheOctoNation @cephs
#octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksofinstagram #reading #readers #october
TONMO retweeted
Day 12 of OCTO-ber: Meet the southern sand octopus (Octopus kaurna). This Australian species spends much of its time buried in sandy seafloors, showing that not every octopus uses dens or burrows for safe spaces. Read more about octopus #dens in my upcoming book OCTOPUS X.
amazon.com/Octopus-Discovery…
PC: Julian Finn via Wikimedia Commons
@PrincetonUPress @TheOctoNation @cephs
#octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #booksbooksbooks #reading #readers #october #newbooks
Day 5 out of 5 of #CephalopodAwarenessDays is Fossil Day, for the ammonites, belemnites, and orthocones that went extinct but left an impression. Start with Phil Eyden's classic TONMO primer, Ammonites: A General Overview. #CephalopodWeek tonmo.com/articles/ammonites…
TONMO retweeted
#DIDYOUKNOW: One of the smallest kinds of octopus is also one of the most venomous?
While blue-ringed octopuses are toxic enough to kill humans with their bite, they have never known to be aggressive towards people.
Learn more: oceana.ly/4du3czF #CephalopodAwarenessWeek
TONMO retweeted
Day 11 of OCTO-ber: The east Pacific red octopus (Octopus rubescens) is a small Pacific species that can be found from the intertidal zone into deeper water along the North American coast. Read more about this red beauty in OCTOPUS X.
bookshop.org/p/books/octopus…
PC: Taollan82/Wikimedia Commons
@PrincetonUPress @TheOctoNation @cephs
#octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #bookspotlight #reading #readers #october
Day 4 of #CephalopodAwarenessDays is Kraken Day.! For the real-life Kraken, read Phil's TONMO article on England's Architeuthis, the giant squid's history on English shores. #CephalopodWeek tonmo.com/articles/england%E…
TONMO retweeted
Day 10 of OCTO-ber: The Caribbean #reef octopus (Octopus briareus) is a master of reef #camouflage and lives in shallow warm reefs, mesmerizing #divers and researchers alike. 🌊The reef is full of #secrets. So is OCTOPUS X. Discover them for yourself by preordering now
amazon.com/dp/1642834408?lv=…
PC: Alessandro Dona/ Wikimedia Commons
@PrincetonUPress @TheOctoNation @cephs
#octopus #octopuses #books #naturebooks #science #sciencewriting #ocean #oceanbooks #books #reading #readers #october #booksbooksbooks #tbr #newbook #octopusfacts
