Octopus

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Giant Pacific Otopus (National Geographic)

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Tree of Life
Microorganism
Plant Flower, Tree
Animal
Invertebrate Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
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Resources

These are organized by a classification scheme developed exclusively for Cosma. More…

General

Portal

The Octopus News Magazine Online

Dictionary

octopus : any of a genus (Octopus) of cephalopod mollusks that have eight muscular arms equipped with two rows of suckers; broadly : any octopod excepting the paper nautilus — Webster

octopuses or octopi (Merriam-Webster)
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Roget’s II (Thesaurus.com), Merriam-Webster Thesaurus, Visuwords

Encyclopedia

Octopus is a soft-bodied, eight-armed mollusc of the order Octopoda. Around 300 species are recognized and the order is grouped within the class Cephalopoda with squids, cuttlefish and nautiloids. Like other cephalopods, the octopus is bilaterally symmetric with two eyes and a beak, with its mouth at the centre point of the arms (which are sometimes mistakenly called “tentacles”). The soft body can rapidly alter its shape, enabling octopuses to squeeze through small gaps. They trail their eight arms behind them as they swim. The siphon is used both for respiration and for locomotion, by expelling a jet of water. Octopuses have a complex nervous system and excellent sight, and are among the most intelligent and behaviorally diverse of all invertebrates. — Wikipedia

Encyclopædia Britannica

Introduction





Octopus Facts (Alina Bradford, Live Science)
Ten Curious Facts About Octopuses (Rachel Nuwer, Smithsonian.com)
Octopus Facts (Alina Bradford, Live Science)

Search

WolframAlpha

Science




On Ecstasy, Octopuses Reached Out for a Hug (JoAnna Klein, New York Times)

Preservation

History

Fossil Octopuses (The Octopus News Magazine Online)

Library

WorldCat, Library of Congress, UPenn Online Books, Open Library

Participation

Education





Why the octopus brain is so extraordinary (Cláudio L. Guerra, TED-Ed)

Octopus and Squid (Biology4Kids)

Course

OER Commons: Open Educational Resources

News

The Octopus News Magazine Online, Phys.org, NPR Archives

Book

ISBNdb

Government

Document

USA.gov

Expression


Fun


Humor

A Brief History Of Octopi Taking Over The World (Kelsey D. Atherton, Popular Science)
Octopus Jokes (Worst Jokes Ever)

Poem

OEDILF: The Omnificent English Dictionary In Limerick Form

Music

Song Lyrics

Folklore

Giant Squid & Octopus: History and Evidence (Anomalies)
4 Cephalopods from Myth and Folklore: Celebrating World Octopus (Kattyayani’s Blog)

returntotop

More…

The Octopus News Magazine Online TONMO.com: Your Cephalopod Information Center (Octopus, Squid, Cuttlefish, Nautilus, Fossils)

  • Sepia oficinalis questions
    by invalid@example.com (debbie) on December 11, 2018 at 9:46 pm

    Hi would a 180 gallon tank be ok for 3 oficinalis. They are under 3 inches now. Would 73-74 degrees be ok? Do they need a deep sandbed? I know they need live food when they are young and they eat alot. Any input would appreciated. Thanks […]

  • Fisheries plan lowers sea lion kill limit
    by invalid@example.com (octobot) on December 10, 2018 at 2:14 am

    From : A fisheries plan to further limit sea lion deaths in squid fishing nets is being welcomed by conservationists as a first step.Continue reading... […]

  • "Find the ceph in this photo" game
    by invalid@example.com (gholland) on December 9, 2018 at 1:37 pm

    I've been having some fun playing "Find the ceph in this photo" game with Dreadhead, cuttlefishguy, and others lately and wanted to more-or-less "organize the game" into a single, on-going thread and invite everyone to post their challenges here as well as establish some simple guidelines for posting answers.Rules:1. Post a pic of a hard-to-spot ceph.2. Indicate what kind of ceph and how many people should look for.3. Include a link to another version of the same photo (in your TONMO gallery or […]

  • Unknown Phylum. Any suggestions?
    by invalid@example.com (Steve O'Shea) on December 9, 2018 at 12:36 am

    The following has been relayed to me by Miss Gwenith Penry, who has very kindly given me permission to post these images online. I am at a complete loss as to what this animal is ... a complete loss!! Can anyone shed any light on this?Unknown Sea creature sighting During the 09.30 dolphin watching cruise on the 27/03/2007 an unidentified animal was spotted. Company: Ocean Safaris Vessel: Dolphin 1 (approx 8m) Crew: Skipper – Steve . Guide: Marlon 12 other crew members […]

  • A famous California aquarium mocked a huge error...
    by invalid@example.com (octobot) on December 6, 2018 at 11:35 am

    From Isobel Asher Hamilton: The Monterey Bay Aquarium has mocked Apple's squid emoji for being inaccurate. The aquarium pointed out that Apple misplaced the squid's siphon, meaning it was upside down. Business Insider has contacted Apple to ask whether it plans to correct the error. Apple's squid emoji has been lambasted by the Monterey Bay Aquarium for being anatomically inaccurate. The aquarium tweeted on Wednesday, pointing out a huge flaw in Apple's rendering of the […]


Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

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    on December 5, 2018 at 1:12 pm

    Young Nepalis created a map of the Dead Sea with used plastic bags Wednesday in a bid to set a new international record and raise awareness about the vast volumes polluting the world's oceans. […]

  • Popular science helps to discover the abundance...
    on November 14, 2018 at 2:50 pm

    When the Rhizostoma luteum jellyfish was discovered at the beginning of the 19th century in the waters of the Strait of Gibraltar, only nine specimens were identified. For years, it was so inconspicuous that in the 20th century, it failed to turn up for six decades. A team of scientists with the help of a citizen initiative has now confirmed that it is not really as difficult to find as previously believed. […]

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    on November 12, 2018 at 11:38 am

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  • Cephalopods could become an important food source...
    on October 30, 2018 at 1:38 pm

    Among chefs and researchers in gastronomy, there is a growing interest in exploring local waters in order to use resources in a more diverse and sustainable manner, including using the cephalopod population as a counterweight to the dwindling fishing of bonefish, as well as an interest in finding new sources of protein that can replace meat from land animals. […]