Chobotnice/Octopuses [squids and other creatures allowed] :: Remember, remember, the velvet November


node:	Chobotnice/Octopuses [squids and other creatures allowed]
template:	3
parent:	Domace a ine zvieratka
owner:	binary riot
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created:	08.11.2011 - 22:23:39
updated:	14.04.2013 - 18:47:57

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Som uplne fascinovana tymito zivotcichmi, mam dni ked cele vecery pozeram dokumenty o nich a citam s clanky o tom ake su uzasne

chcem VIAC :)
prosim davajte tu hocico co je related s choboticami, moze to byt aj o squidoch, cuttlefishes a dalsich potvorkach
dokumenty/fotky/clanky/fakty/videa

uzasne stvorenia
nestudovat obor ktory studujem hned by som sla za marine biologist poznavat tieto fantasticke .. "zvery"

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Farma vznikne podle plánu společnosti Nueva Pescanova v kanárském přístavu Las Palmas. Chobotnice, které ve volné přírodě žijí jako samotáři a často ve tmě, budou hromadně chované ve vodních nádržích, někdy i pod stálým světlem.

Asi tisícovka nádrží bude ve dvoupatrové budově. Ročně by farma měla vyprodukovat asi milion kusů zvířat. Přestože jsou chobotnice hbité a uzpůsobené k lovu, na farmě budou vykrmované průmyslově vyráběným suchým krmivem z „odpadů a vedlejších produktů“ ulovených ryb.

Pobývat budou v nádržích se slanou vodou, jejichž teplota a salinita se bude přísně kontrolovat. Nueva Pescanova připouští možnou úmrtnost chobotnic mezi 10 až 15 procenty.

Plán citovaný BBC popisuje také způsob porážky chobotnic, které pak mají mířit na prémiové trhy po celém světě. Zvířata chovatelé přemístí do kontejnerů s vodou o teplotě minus tři stupně Celsia.
https://www.seznamzpravy.cz/clanek/zahranicni-vznika-prvni-farma-na-chobotnice-ceka-je-kruta-smrt-varuji-vedci-227875#dop_ab_variant=0&dop_source_zone_name=zpravy.sznhp.box&source=hp&seq_no=1&utm_campaign=abtest218_mobil_bez_boxiku_firem_varBB&utm_medium=z-boxiku&utm_source=www.seznam.cz

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The mysterious inner life of the octopus
https://www.bbc.com/future/article/20220720-do-octopuses-feel-pain

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este jej svieti dekel po poslednom psytrance

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mam uz dlhsiu dobu sen toto urobit v 3D. zatial som too lame, ale treba povedat ze som tomu ani vela casu zatial neobetovala :)

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Nature Documentary hosted by David Scheel, published by BBC broadcasted as part of BBC Natural World series in 2019 - English narration.

Professor David Scheel takes an octopus into his home to learn about its intelligence and the extraordinary relationship he and his daughter develop with the creature. Named Heidi, the octopus is seen unravelling puzzles, recognising individual humans and even watching TV with the family. The film also looks at the remarkable behaviour of other octopuses around the world, from those that can change their colour and texture in a split second to the octopus that carries around its own coconut shell to hide in.

https://1337x.to/torrent/3955066/BBC-Natural-World-2019-The-Octopus-in-My-House-1080p-HDTV-x265-AAC-MVGroup/

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https://magazin.aktualne.cz/kultura/film/muz-se-dokaze-spratelit-s-chobotnici-netradicni-dokument/r~5342fbf825cc11eb8b230cc47ab5f122/

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MDMA enhances acute prosocial behaviors in Octopus bimaculoides
https://www.cell.com/current-biology/fulltext/S0960-9822(18)30991-6
https://www.npr.org/sections/health-shots/2018/09/20/648788149/octopuses-get-strangely-cuddly-on-the-mood-drug-ecstasy

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,,mood :D

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Magnapinna squids are one of the deep-sea more ethereal creatures. Little is known of these squid as very few have ever been captured, although over the last decade with the increased usage of remotely operated vehicles (ROV) and submersibles more and more video is emerging of them. They are unusual in both that the fins are up to 90% of the length of the body, i.e. the mantle, and the ridiculously long length of the arms. The squid often will hold some of the arms at a 90˚ angles from the side of the body. Wikipedia has a nice entry on the history of their discovery.

On November 11, 2007., a Shell oil company ROV capture a Magnapinna on video (below) at a depth of 2386 meters (~1.5 miles). Someone (I’ve been unable to track down who created this), used the video to produce a single image of this individual (above). It was subsequently posted to Reddit. Love the image of this fascinating creature.

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v tomto je super hra Subnautica, objavujes ocean a zrazu najdes veci co by si nechcel nikdy stretnut..

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Nemôžem si pomôcť, ale hrozné animácie.

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jj ta hra vychadzala ako Early Access a nasli si PR v streameroch, cize zabery su z nedorobenej hry, ale zase tipujem ze zasadny rozdiel v animaciach asi moc nebude, oni co viem sli hlavne na atmosferu a hreny zazitok tvoreny hlavne z nej..

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Godfather! :)

4a717849d877f96cfda39dcc9b75bddd--the-godfather-tat.jpg

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vie sa ze ako chobotnice citaju podkladovy surface?

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kackoval som to predosle video, chcem spat k

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rizoto podnikania. zmenil som ho asi 5 minut po tom, ako som vytvoril prispevok, zdalo sa mi ze toto video je bohatsie na informacie a ma podobny segment ako predchadzajuce video.

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https://lithub.com/the-octopus-an-alien-among-us/

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Slightly related:

Aliens in our midst

In fact, they were profoundly different from any other animal on Earth.
…
The ctenophore was already known for having a relatively advanced nervous system; but these first experiments by Moroz showed that its nerves were constructed from a different set of molecular building blocks – different from any other animal – using ‘a different chemical language’, says Moroz: these animals are ‘aliens of the sea’.
…
Once you repeat the experiments, says Moroz: ‘You start to realise it’s a really different animal.’ He surmised that the ctenophore was not just different from its supposed sister group, the jellyfish. It was also vastly different from any other nervous system on Earth.
…
It meant that the nervous system of the ctenophore had evolved from the ground up, using a different set of molecules and genes than any other animal known on Earth. It was a classic case of convergence: the lineage of ctenophores had evolved a nervous system using whatever genetic starting materials were available. In a sense, it was an alien nervous system – evolved separately from the rest of the animal kingdom.
…
The ctenophore represented the closest thing to an alien brain, or mind, on Earth

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este vacsi naklad je podla mna toto

In fact, much of the basic signalling machinery of all nervous systems might have evolved from a life-or-death adaptation that arose in the first cells on Earth, four billion years ago. Early cells probably inhabited aquatic environments, such as hot springs or brine pools, that contained a mixture of dissolved minerals including some, like calcium, that threatened life. (Important biological molecules such as DNA, RNA and ATP are known to coalesce into refractory goo when exposed to calcium – similar to the scum that forms in bathtubs.) So biologists surmise that early life must have evolved ways to keep all but the lowest levels of calcium outside its cells. This protective machinery might include proteins that pump calcium atoms out of a cell, and an alarm system that goes off when calcium levels rise. Evolution later harnessed this exquisite responsiveness to calcium to signal within and between cells – to control the beating of cilia and flagella that microbes use to move, or to control the contraction of muscle cells or trigger the electric firing of neurons in organisms such as ours. By the time nervous systems began to emerge, roughly half a billion years ago, many of the critical building blocks were already set.

povinne citanie pre vsetkych insitnych evolucnych biologov na kybci, co budu donekonecna filozofovat o tom ktora adaptacia na aky ucel sluzi

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toto do akvarka, zhulit sa a mame o zabavu postarane na par hodiek...

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tato je mega. inspirovala ma k jednej animacii : )

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take chcem domace zvieratko

ｱoﾚﾑ尺 oｱｱo丂ﾉｲﾉo刀

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https://news.agu.org/press-release/researchers-model-how-octopus-arms-make-decisions/

“One of the big picture questions we have is just how a distributed nervous system would work, especially when it’s trying to do something complicated, like move through fluid and find food on a complex ocean floor. There are a lot of open questions about how these nodes in the nervous system are connected to each other,” said David Gire, a neuroscientist at the University of Washington and Sivitilli’s advisor for the project.

Long an inspiration for science-fictional, tentacled aliens from outer space, the octopus may be as alien an intelligence as we can meet on Earth, Sivitilli said. He believes understanding how the octopus perceives its world is as close as we can come to preparing to meet intelligent life beyond our planet.

“It’s an alternative model for intelligence,” Sivitilli said. “It gives us an understanding as to the diversity of cognition in the world, and perhaps the universe.”

The octopus exhibits many similar behaviors to vertebrates, like humans, but its nervous system architecture is fundamentally different, because it evolved after vertebrates and invertebrates parted evolutionary ways, more than 500 million years ago.

Vertebrates arranged their central nervous system in a cord up the backbone, leading to highly centralized processing in the brain. Cephalopods, like the octopus, evolved multiple concentrations of neurons called ganglia, arranged in a distributed network throughout the body. Some of these ganglia grew more dominant, evolving into a brain, but the underlying distributed architecture persists in the octopus’s arms, and throughout its body.

“The octopus’ arms have a neural ring that bypasses the brain, and so the arms can send information to each other without the brain being aware of it,” Sivitilli said. “So while the brain isn’t quite sure where the arms are in space, the arms know where each other are and this allows the arms to coordinate during actions like crawling locomotion.”

Of the octopus’ 500 million neurons, more than 350 million are in its eight arms. The arms need all that processing power to manage incoming sensory information, to move and to keep track of their position in space. Processing information in the arms allows the octopus to think and react faster, like parallel processors in computers.

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