START HERE: Physiology & Biology key threads

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Below is a compilation of the some of the stronger threads in this forum, covering core topics.
This list will be periodically updated, as will the threads/posts themselves, as new information warrants.

Recent papers

Two research papers have been announced on TONMO.com in the last couple of weeks, but we have yet to put them here in this annoucement panel on the home page: "Mating behavior of Abdopus aculeatus (d’Orbigny 1834) (Cephalopoda: Octopodidae) in the wild" Christine L. Huffard, Roy L...

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Smithsonian Institute Releases LOTS of Deep Sea Squid Vids

It's all right here - Search results for: record_ID:yt_*, Cephalopoda, page 1 | Collections Search Center, Smithsonian Institution

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Giant Squid Caught On Video

Long-awaited development on Architeuthis! http://dsc.discovery.com/show-news/giant-squid-captured-on-video-for-first-time.html Also being discussed / liked on the TONMO Facebook page:

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Cephalopod Sex and Reproduction

Mating in the ceph world tends to be an on-going human fascination. Choices, techniques and biologics vary widely from species to species. Observations have included severing and throwing a spermataphore loaded arm at the female (blanked octopus) , mating beak to beak (Larger Pacific Octopus)...

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Cephalopod Eggs and Hatchlings

Collection of egg and egg hatching papers

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Cephalopod Color and Skin discoveries

Squid skin and ceph adaptive coloration have become an on going news item since the military (navy) has shown interest in learning the secrets of ceph camouflage. Use this topic to collect the latest articles uncovered. Here is a list of papers on the topic from the Woods Hole Research Library

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Cephalopod Eyes and Light Sensing Skin

Humans, Squid Evolved Same Eyes with Same Gene Tue, 05/06/2014 - 12:00pm The Conversation, Malcolm Campbell Complex beauty. Image: pacificklaus, CC BY-NC Eyes and wings are among the most stunning innovations evolution has created. Remarkably these features have evolved multiple times in...

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Genetic Differences in Cephalopods

This paper (free) talks about genetic differences between certain octopus species, particularly with respect to the one they're describing, O. insularis. It was very similar in appearance to the larger O. vulgaris, but turns out to be much further away in mitochondrial genes than expected...

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Cephalopod DNA/Molecular/Genetic Studies/Health

This is a review of the current status of ceph molecular data collection. @gjbarord is currently doing DNA work with the nautilus and hopefully will post where the information can be accessed once it is stored. The contribution of molecular data to our understanding of cephalopod evolution...

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Cephalopod Arms

Level_Head pointed out this article in The Journal of Experimental Zoology Volume 31 (1920)- William Keith Brooks, Wistar Institute of Anatomy and Biology, American Society of Zoologists, article by Mathilde M. Lange that discusses his observations and opinions as to what happens when an...

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Upcoming Presentations on Cephalopod Research

Hi all, Starting this new thread here as a way to collect information about upcoming presentations on ceph research at international conferences, instead of having an individual thread for every new meeting. Feel free to post links to abstracts to inform others that may be interested. By having...

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Lifespan - Octopus Optic Gland and More

A collection of links to articles and abstracts about octopus optic gland studies. Optic glands and the state of the testis in Octopus - 1972 - abstract free, article subscription or pay for view OPTIC GLAND IMPLANTS AND THEIR EFFECTS ON THE GONADS OF OCTOPUS - 1974 - Full PDF Additional...

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Cephalopod identification sources?

Any good sources for cephalopod ID on a global scale? I have two good ID books (A Guide to Squid, Cuttlefish and Octopuses of Australasia - Mark Norman & Amanda Reid / Reef Creature Identification, Tropical Pacific - Paul Humann & Ned DeLoach). These are great sources, especially as they focus...

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Sexing an Octopus - Photos of Hectocotylized Arm

One of the first questions a new octopus keeper asks is for help identifying the sex of their new ward. Usually the easiest way to sex an octopus is by observing the third arm to the right (clockwise) on a sexually mature animal. This arm (hectocotylus) has a suckerless tip (ligula) and a...

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Parts is Parts ...

A collection of articles describing cephalopod body parts and functions The Structure and Adhesive Mechanism of Octopus Suckers 2002 WILLIAM M. KIER*,2 AND ANDREW M. SMITH† *Department of Biology, CB# 3280 Coker Hall, University of North Carolina, Chapel Hill, North Carolina 27599-3280...

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Where do they come from?

New topic to post links and information on the sources of different ceph species. Paralarval octopods of the Florida Current , Journal of Natural History, Clyde F.E. Roper, A. Gutierrez, M. Vecchione 2012 Full article is subscription or purchase. Abstract Taxonomic and ecological...

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EU Directive 2010/63/EU

Cephalopod research and EU Directive 2010/63/EU: Requirements, impacts and ethical review Jane A. Smith,Paul L.R. Andrews, Penny Hawkins, Susanna Louhimies, Giovanna Ponte, Ludovic Dickel Abstract For the first time, European Union legislation on animal research and testing has extended its...

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WELCOME

Hi Welcome to Physiology & Biology, where we will attempt to answer those technical questions you might have on aspects of cephalopod physiology and biology. It is a huge field, and sometimes some of the responses will be taken straight from text books, sometimes we'll make them up and then...

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