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Old 01-28-23, 03:25 PM   #2551
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Almost right, but it is not an octopus but another species.

There is a difference between an octopus and a squid.

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We need the name of the living form today, and its scientific name
Marcus said squid which is right, which exactly?
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Old 01-28-23, 03:32 PM   #2552
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Squiddly Diddly
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Old 01-28-23, 03:42 PM   #2553
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Thinking of certain whales, using sonar to find what exactly? ...
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Old 01-28-23, 03:50 PM   #2554
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colossal squid (Mesonychoteuthis hamiltoni)
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Old 01-28-23, 03:54 PM   #2555
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^ Almost but no, it is more mundane and not limitd to the antarctic, though it looks a bit like it

Last hint – what do they hunt:



The plump-looking bow of these whales is being squeezed to a more hydrodynamic form by water pressure, when they dive really deep.
Their prey is usually to be found there ..
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Old 01-28-23, 04:02 PM   #2556
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Humboldt squid (Dosidicus gigas)?
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Old 01-28-23, 04:06 PM   #2557
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Still no
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Old 01-28-23, 04:20 PM   #2558
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Giant squid (Architeuthis dux)

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Sperm whales dive to great depths (to more than 2 km or 1.4 mi deep) to catch one of their favorite foods: giant squid
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Old 01-28-23, 04:42 PM   #2559
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Quote:
Originally Posted by Eichhörnchen View Post
Squiddly Diddly

Ok, but ..




Quote:
Originally Posted by mapuc View Post
Giant squid (Architeuthis dux)
Markus
YES!

This is the beak of Architheutis dux:
"The parrot-like beak of the giant squid, strong enough to bite through steel cable, is used to cut prey into small pieces. Unlike the octopus, whose arms have simple suckers, the arms and tentacles of the giant squid are equipped with hooks and sharp sucker rings."



The only hard part that is left of the elaborate sculpted ammonites and belemnites, being reduced over millions of years during evolution.

Some other depictions:





Some time before it was thought that the architheutis was hunting sperm whales, but it was found it is the other way round.
Those squids are hunters, but the sperm whale specialised on hunting them.

"Before whales evolved, it could be that giant squids lived near the ocean surface. After whales evolved and discovered that squids are tasty, the giant squids might have started living in deeper water, to escape the whale predators. Some whales might have started diving more deeply (and developed specialized physiology allowing them to hold their breath up to 90 minutes and to resist the great pressure at depth) so they could feast on the squid, so the squid might have responded by living deeper still. Cycles like this, between predators and prey, are examples of co-evolution."



Sperm whales have typical wounds from the sharp hooks of the tentacles of those deep sea sqids and their beaks, but usually the whale is the winner.

Architheutis is seldomly seen alive, when it reaches the upper layers of seawater it is usually dead, or dying (due to the missing pressure of the deep seas). Recent studies show that sperm whales and giant squids like Architheutis are being confused by underwater sounds emitted by submarines and subsea oil operations, whence the beaching of whales and increased sightings of dead squids at the oceans' surfaces.

Jim sure showed the right direction, but the octopus (sometimes called "Kraken") has eight arms without hooks or claws, while the sqids or kalmars have ten (being decapoda rather than octopoda) – two of them are longer and have special tasks of catching prey and drawing ot to the other arms, and the beak.

OT, Physeter macrocephalus ("sperm whale") has its head filled with a special substance to amplify and record a 3-dimensional picture of its surroundings by emitting a 200 db clicking sound that is being echoed and processed. It uses active sonar to hunt those giant squids.




So, over to Marcus
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Old 01-28-23, 04:58 PM   #2560
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He sounds like a great guy this Marcus

What is this



Markus
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Old 01-28-23, 05:32 PM   #2561
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Early german auto?
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Old 01-28-23, 05:41 PM   #2562
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Quote:
Originally Posted by Aktungbby View Post
Early german auto?
Yes

Markus
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Old 01-28-23, 06:05 PM   #2563
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1886 Benz Patent Motorwagen
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Old 01-28-23, 06:14 PM   #2564
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Quote:
Originally Posted by Eichhörnchen View Post
1886 Mercedes / Benz Patent
Correct

Quote:
The Benz Patent-Motorwagen ("patent motorcar"), built in 1885 by the German Carl Benz, is widely regarded as the world's first practical modern automobile and was the first car put into series production It was patented and unveiled in 1886. The original cost of the vehicle in 1886 was 600 imperial German marks approximately 150 US dollars (equivalent to $4,524 in 2021).
https://en.wikipedia.org/wiki/Benz_Patent-Motorwagen

Over to you my friend

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Old 01-29-23, 05:15 AM   #2565
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Good one, Markus - I got it because I recognised the steering mechanism

So what is this? I can reveal more of it for clues later
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