Featured articles
With good cause, the past 20 years has seen an explosion of articles, publications and books dealing with the impacts of climate change. Wolfgang Grulke's beautifully illustrated Beyond Extinction: The Eternal Ocean - Climate change & the continuity of life explores the organisms throughout...
- Original publish date
- Jul 26, 2019
A Guide to Frequently Used Characters, Character States and Measures
Last updated: 11/27/02
Frequently cited anatomical characters, structures, organ systems, measures and ratios employed in descriptions of cirrate and incirrate octopods are depicted in figures 1-6:
Figure 1 (click image...
- Original publish date
- Nov 27, 2002
The following PDF files were contributed to TONMO over the years for sharing with the community.
Summary of files
Estimating age and growth rate in Architeuthis dux
Steve O’Shea Auckland University of Technology, Auckland, New Zealand
Caoimhghin Ó Maolagáin, National Institute of...
- Contributing Authors
- various
By Andy Tenny (neuropteris)
The Yorkshire Coast of England exposes a series of marine and terrestrial rocks ranging in age from the lower Jurassic at Cleveland in the north through to the chalk of the Upper Cretaceous at Flamborough Head in the South. Many of these formations are highly...
- Original publish date
- Nov 21, 2004
Note: Phil welcomes discussion on this article in the Cephalopod Fossils forum.
Vampyroteuthis infernalis
One of the most interesting, popular, and intriguing of all living cephalopods is that of Vampyroteuthis, the Vampire Squid. To follow is a brief look at this 'living fossil', its...
- Original publish date
- Nov 29, 2005
Two TONMO.com moderators met face to face in the autumn of 2002: Colin Dunlop traveled from Scotland to Texas to help Nancy King set up her saltwater aquarium and to accompany Nancy and her husband Bill to Galveston, where Colin and Nancy visited the National Research Center for Cephalopods...
- Contributing Authors
- Colin Dunlop and Nancy King
- Original publish date
- Dec 16, 2002
By Nancy King, 2003
What Is Octopus Ink?
Inking Octopus by Steve O'Shea
The ink of the octopus, or any cephalopod, is composed of highly concentrated melanin. This is the same dark pigment that we humans have, and which is responsible for skin color and the color of dark hair. It is a natural...
- Original publish date
- Jun 1, 2003
Just in time for Valentine's Day 2012, Dr. Roy Caldwell shared some astonishing photos of two mating A. aculeatus. Note that these images are very rare and the quality is high.
Photos may not be reused without permission
Sea of Love
An Abdopus aculeatus male perches on a rock keeping an eye...
- Contributing Authors
- Dr. Roy Caldwell, Tony Morelli
- Original publish date
- Feb 14, 2012
An analysis of the size of the largest cephalopods: Architeuthis and Mesonychoteuthis
Authored by Dr. Steve O'Shea and Dr. Kat Bolstad
Steve and Kat are members of the TONMO staff. You can communicate with them both in our Cephalopod Science forums.
INTRODUCTION TO FACT SHEETS
To ensure...
- Contributing Authors
- Dr. Steve O'Shea, Dr. Kat Bolstad
- Original publish date
- Apr 6, 2008
Covering Terminology used in the Description of Externally Shelled Cephalopods (Nautiloids and Ammonoids)
By Kevin Bylund
Note: Kevin welcomes discussion on this article in the Cephalopod Fossils forum.
The structure secreted by the mantle of cephalopods for protection or neutral buoyancy is...
- Original publish date
- Jan 1, 2005
By Carol Sauer (corw314)
Editor's Note: Carol created this article for Jersey Pets Magazine (Editor: Lisa A. Kelley). Lisa's Website can be visited at www.jerseypetsmagazine.com. The article is slated to be published in their Jan/Feb issue. Thanks to Jersey Pets Magazine for spreading the good...
- Original publish date
- Mar 15, 2003
I'm writing this article to document the result of adding an octopus to an established fish tank. On April 15, 2009 I caught a batch of six newly hatched O. briareus from one of my commercial stone crab traps in Biscayne Bay Miami, Florida. All six juveniles were placed into a fully-stocked 125...
- Original publish date
- Mar 7, 2013
Things to Think About Before You Get An Octopus as a Pet
by Nancy King
Nancy is a member of the TONMO.com staff -- you can discuss cephalopods with her and fellow TONMOers in our Octopus Care forum.
Keeping an octopus is fun and interesting, but an octopus is not the easiest pet to own. You...
- Original publish date
- Mar 1, 2004