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274,234 Views ⢠Jan 19, 2021 ⢠Click to toggle off description
Some secrete a giant mucus net around themselves in order to do so. Here in the midwater zone, far from both the surface and the sea floor, polychaeteâs adaptations appear even more unique. Flota and swima worms both move by undulating their bodies and beating their paddle-like appendages. Far stranger is tomopteris - the dancing bristle worm - which propels itself with its large parapodia.
A common feature you might have noticed is that many of the worms that inhabit the open ocean are transparent. This is because there is no concealment in the midwater zone, and so some worms like the green bomber worm have adapted to use bioluminescence as a way to startle and distract predators. When threatened, they explode their light-producing organs called photophores, dropping a kind of bioluminescent bomb.
00:00 - Introduction
00:37 - What are Polychaete Worms?
01:02 - Pompeii Worms at Deep Sea Vents
01:50 - Symbiosis: Pompeii Worms and Bacteria
02:29 - Polychaete Worms in the Midwater Zone
02:48 - Adaptations of Polychaete Worms
03:17 - Adaptations of Tomopteris
03:30 - Why Polychaete Worms are Transparent
03:42 - Bioluminescence in Green Bomber Worms
04:02 - The Role of Polychaetes in the Nutrient Cycle
04:23 - Deep Sea Worms at Whale-Falls
04:41 - The Bone-Eating Osedax Worm
05:21 - Conclusion: The Importance of Polychaete Worms
05:52 - The Deep Sea Hub
DEEP SEA HUB: naturalworldfacts.com/deep-sea-hub/
Footage used is from MBARI, OceanX, the Ocean Exploration Institute and the Schmidt Ocean Institute.
Music Used:
Stairway - Patrick Patrikios
The Principle of Inner Necessity - Savfk
#deepsea #wildlife #nature #documentary #ocean #marinebiology #science #biology
Resources:
serc.carleton.edu/microbelife/topics/marinesymbiosâŚ
scribol.com/environment/animals-environment/the-poâŚ
Views : 274,234
Genre: Education
Date of upload: Jan 19, 2021 ^^
Rating : 4.947 (108/8,030 LTDR)
RYD date created : 2022-04-09T17:21:01.765762Z
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YouTube Comments - 261 Comments
Top Comments of this video!! :3
Polychaetes are one of very few sea creatures whose scariest species is actually somewhat close to the surface. Bobbit worms scare me on a very primordial level.
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The video quality is superb, this is the kind of knowledge that kids should be seeing and learning about in school.
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marine snow also includes fecal matter, sand, soot, and other inorganic dust. The decaying material is referred to as âmarine snowâ because it looks a little bit like white fluffy bits. The âsnowflakesâ grow as they fall, some reaching several centimeters in diameter.
43 |
this channel extends my lifespan by six years thank u ocean man
18 |
This channel is gonna blow up I can feel it :D And it's really cool how there's a lot of continuity with your recent vids, like you're making so many links between different topics, from whale fall communities to bioluminescence and symbiosis. It's all connected into one beautiful network.
Great video as usual, always covering fascinating topics.. Polychaetes are all pretty sweet, especially the eunicid "bobbit worms". Those ones are absolutely legendary! Sometimes in the Danish chalk we actually find fossilised burrows of bobbit worms, filled with bits of regurgitated fish from their most recent meal! I also recently donated a fossilised bobbit burrow to a natural history museum in Denmark :)
Love how widespread bioluminescence is among the polychaetes, it's almost like they 'trademarked' this adaptation!
109 |
This has been recommended to me recently and itâs really enjoyable. I hope this channel gets more recognition.
36 |
0:41 How mesmerizing and spooky is that!
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I love this channel. It reminds me of the actual educational nature shows that USED to be on animal planet, discovery and Nat geo. I have been binge watching every deep sea video you have, some, while I'm out on the ocean in my kayak dropping a line and waiting for something to bite
7 |
When ur a wannabee biology student I super like this channel. I never got the chance to take the course, but I like all flora and fauna, even when I was a child. Im fascinated by other creatures. But I ended up taking Psychology đâ¤ď¸
25 |
Yes! Marine worms have always been some of my favourites. Absolutely fantastic to hear them getting spoken about.
6 |
These videos are outstanding. The video quality is excellent, and the narration captures the atmosphere perfectly!
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This was great narration at its best and so beautiful at 4k, thanks! The aliens that we are searching for so desperately are already here and we are not appreciating this fact. They have so much to teach us IF we can just learn to listen. Many of them are almost superheroes, which we happen to love if they are human. Keep this up!
2 |
Great voice combined with the subject its almost like a lullaby to me
3 |
I love these videos, not only do they make me learn things i like that I didnât know about and that most of this is just to show how amazing the oceans are, plus i love the deep sea and ocean so this is perfect
7 |
Really awesome video! The photography is just amazing! But I had a hard time hearing you over the music! Thank you and love your channel!
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It's a long time since we talked but I'm good love ur vids
9 |
Thank you so much for always creating such amazingly presented and fascinating content! :) Always a joy to have a notification you posted :D
4 |
So many neat worms, I still very much would like to know some of the anatomy of the giant tube worms, because it can be hard to remember that they are infact worms they are just so strange looking.
9 |
Just found your channel and subscribed this will become my favourite YouTube channel
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@CallipygianMarmoset
2 years ago
You guys have the BEST marine documentaries on YouTube, hands down.
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