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Topic: Tremoctopus


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In the News (Sat 5 Dec 09)

  
  Tremoctopus
Mike Sweeney (USNMNH) explains: "The name Tremoctopus robsonianus is in the title of the paper (an abstract from a meeting of the Wellington Philosophical Society).
However the taxon is introduced in the text with the name Tremoctopus robsoni n.sp.
Thomas, R. Systematics, distribution, and biology of cephalopods of the genus Tremoctopus (Octopoda:Tremoctopodidae).
tolweb.org /tree?group=Tremoctopus&contgroup=Argonautoida   (1117 words)

  
 Argonaut (animal) - Wikipedia, the free encyclopedia
It consists of knob-like cartilages in the mantle and corresponding depressions in the funnel.
Unlike the closely allied genera Ocythoe and Tremoctopus, Argonauta species lack water pores.
Argonauts exhibit extreme sexual dimorphism in size and lifespan.
en.wikipedia.org /wiki/Argonaut_(animal)   (970 words)

  
 White Shark Trust - Field Research Assistant - April 2004 - Part 5
It certainly is a species of Tremoctopus, a female (the male being considerably smaller), but which one I would be reluctant to say, based on the images alone.
If they brood eggs in the oviducts then it is also of great interest that they brood eggs in the arm crown (I assume this is what was happening, unless there was a discharge of eggs from the mantle cavity during trauma associated with collection).
I'll find out the geographic distribution of Tremoctopus species to assist with placing a name on this particular specimen, although precise identification (based on those characters/character states that we recognise differentiate the various taxa) would really require the body (anatomy) of the animal be examined.
www.whitesharktrust.org /assistant/gallery/2004b/apr04e.html   (649 words)

  
 Hawaii State Records - Detail
He collected the 8-lb octopus with his three-prong spear in 3 or 4 feet of water and submitted it to Dr. Richard Young of the University of Hawaii for identification.
The creature was identified as Tremoctopus gracilis, a free-swimming octopus that carries the tentacles of a jellyfish and the Portuguese Man-O-War as defense against predators.
Females are larger than the males (males only reach 5 to 10% of the female's size).
www.hawaiifishingnews.com /records_d.cfm?ID=504   (142 words)

  
 Tremoctopus violaceus - TONMO.com Forums
Thomas, R.F. Systematics, distribution, and biology of cephalopods of the genus Tremoctopus (Octopoda: Tremoctopodidae).
I was told yesterday of a Tremoctopus that washed ashore on Maui.
I believe that this was the first reported in situ Tremoctopus known to science.
www.tonmo.com /forums/showthread.php?t=1004&goto=nextoldest   (477 words)

  
 Pharyngula
Of course, the one bit of verisimilitude they needed to add to the movie would be to have the little guy scrambling up his wife's leg to slap a sperm packet in her reproductive tract
One bummer for size fetishists: the evidence suggests that the male Tremoctopus, once he has fertilized a female, drops dead (although some seem to find that part appealing).
#: Posted by on 03/25 at 01:14 PM If Tremoctopus violaceous females are rare and hard to locate, it may be expected that males evolve efficient location organs, greater mobility, maybe luminosity to attract willing females, and other strategies.
pharyngula.org /index/weblog/print/2080   (1005 words)

  
 Mollusks And Man - A Medical Perspective - Part Three
Mollusks lack nematocysts but have recruited and put them to use in at least two ways which I am tempted to call "ingenious".
Young octopi (Tremoctopus violaceus Della Chiaje) have been observed to pick up Portuguese Man-O-War (Physalia) tentacles and hold them in their own.
This form of primitive weaponry is observed as an effective defense and offense and stands as a unique example of tool use by an invertebrate.
www.jaxshells.org /mollusk3.htm   (1193 words)

  
 Tremoctopus violaceus - TONMO.com Forums
You are bound to find all manner of citations to species of Tremoctopus with a web search.
Yep, you'll also find info on Tremoctopus with a TONMO.com Search.
Wherein an in situ observed Tremoctopus 'sp.' was sighted by submersible off Hawaii.
www.tonmo.com /forums/showthread.php?p=8688   (477 words)

  
 CDNN :: Live Fast, Die Young: Tiny Male Blanket Octopus
Tregenza co-authored the study that reported the find in the latest issue of the New Zealand Journal of Marine and Freshwater Research.
Dead blanket octopus males (Tremoctopus violaceus) have been collected before in plankton nets.
But the recent observation marks the first time one has been spotted swimming about in its natural environment.
www.cdnn.info /news/article/a030210.html   (943 words)

  
 Symposium on Creation
Jones tells us of the immature octopod, Tremoctopus violaceus, which carries pieces of the tentancle of the coelenterate Physalia on the suckers of its dorsal arms.
It is hard to imagine the pickpocket skills needed to steal enough such fragments from the coelenterate to cover eight rows of suckers and cover them, moreover, in well-ordered rows.
It is remarked by Jones that this behavior with Physalia fragments has been seen only in young Tremoctopus, which are unique in the use of such a potent tissue weapon.
www.creationism.org /symposium/symp4no4.htm   (10021 words)

  
 Eight legs and intelligence
Fending off fearsome predators, and remaining strictly within the realms of her den, the female octopus often dies once the eggs have hatched, proving her to be one of natures best mothers.
Tremoctopus violaceus, otherwise known as the Blanket octopus, found off Australia’s northern coast, boasts a female of the species of incredible proportions.
Incredible, that is in comparison to the diminutive male who has been recently discovered flailing about in the ocean, measuring only the size of a walnut!
www.thinkspain.com /news-spain/261   (1167 words)

  
 Norman et al.-Encounter with dwarf male blanket octopus
Abstract The first encounter with a live male blanket octopus, Tremoctopus violaceus Chiaie, 1830, illustrates the most extreme example of sexual size-dimorphism in a non-microscopic animal.
Females attain sizes of up to 2 m long-almost 2 orders of magnitude larger than the 2.4-cm-long male.
Such dimorphism is not seen in any other animal remotely as large.
www.rsnz.org /publish/nzjmfr/2002/061.php   (177 words)

  
 AGPix.com :: View Large Preview & Download Comp Images
Pelagic Octopus (Tremoctopus violaceus) in open ocean at night (Depth:...
Caption: Pelagic Octopus (Tremoctopus violaceus) in open ocean at night (Depth: 25 meters).
Each catalog image is legally protected by U.S. and International copyright laws and may NOT be used for reproduction in any manner without the explicit authorization of the respective copyright holders.
www.agpix.com /view_caption.php?image_id=54534&photog=1   (99 words)

  
 The Environmental Literacy Council - Strange Octopuses
As scientists explore previously unstudied ocean ecosystems, they continue to make new discoveries.
For example, while the blanket octopus (Tremoctopus violaceus) has long been known to exist, only recently has a live male been spotted in its natural habitat.
This creature is known for one feature above all: while the male of the species is an inch or less in length, the female can be well over six feet.
www.enviroliteracy.org /subcategory.php/254.html   (506 words)

  
 AGHAM: Dessert with a Bite
This would either result in irritation, paralysis or death.
A strange thing that has been encountered is the defense system of the octopus Tremoctopus violaceus who has been seen to carry Physalia spines on it's tentacles.
Nobody knows what the creature must have gone through to acquire these spines, but the structure of its tentacles seemed to be designed to accept the spines.
www.upd.edu.ph /~ismed/agham/archive/3rd/extras/rocky/rocky2.htm   (1325 words)

  
 Continuing Your Dive Education
Key Largo is a great place to observe the bizarre and unusual as well.
Here, I have photographed the rare Blanket Octopus (Tremoctopus violaceus) and Mola mola.
Divers are constantly bringing home stories of Whale Shark sightings and, for decades, the rare and fleeting appearances of Great Hammerhead Sharks on the world's most popular dive site, Molasses Reef.
skin-diver.com /departments/goinpro/ContinuingYourDive.asp?theID=304   (1336 words)

  
 Marine Reef :: The Environmentally Conscious Coral Reef Home Page
A water turtle will even eat an entire Portuguese man-of-war, tentacles and all.
An even stranger phenomenon has been recorded: young octopuses of species Tremoctopus violaceus collect portions of the tentacles and use them as a weapons of defense or offense.
The sponges which are found on the reef exhibit a multiplicity of forms.
www.marinereef.org /reports.php?reportid=4   (6926 words)

  
 Florida Keys Diving & Snorkeling - Monroe County Florida Keys Official Tourism Website   (Site not responding. Last check: 2007-11-01)
The Rare and Unusual – Our waters also provide preferred habitat for some unusual marine creatures.
I have photographed the rare mola-mola (ocean sunfish) here, and it was off one of the world’s most frequently dived sites, Molasses Reef, that I encountered a species of octopus (tremoctopus violaceus, blanket octopus) that had never been photographed in the wild.
A vigilant eye and ample time in the water are the only requirements to delight a fish watcher, no matter where one chooses to dive the fabulous Florida Keys.
www.fla-keys.com /diving/fish_watchers_paradise.htm   (1228 words)

  
 Dichotomous Key:Octopoda - Wikibooks, collection of open-content textbooks
Absent or greatly reduced except in four dorsal arms - Tremoctopodidae
Absent or greatly reduced except in four dorsal arms - Tremoctopus gelatus
Does not contain circular pit - Ocythoe tuberculata
en.wikibooks.org /wiki/Dichotomous_Key:Octopoda   (75 words)

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