Ghost Fleas: Tiny See Through Cyclopses
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- čas přidán 4. 09. 2022
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Depending on your love of horror stories or your belief in the supernatural, it might be easy to convince you that lakes are full of ghosts. That as you plunge deeper into these lakes’ depths, you’ll come across translucent bodies that come alive when nighttime sets in;
with its limbs all packed close to the head, wrenching open and closed like scissors that propel our spectral friend in jarring motions.
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SOURCES:
www.science.org/content/artic...
www.imas.utas.edu.au/zooplank...
people.se.cmich.edu/mcnau1as/z...
pubmed.ncbi.nlm.nih.gov/6850774/
academic.oup.com/plankt/artic...
aslopubs.onlinelibrary.wiley....
academic.oup.com/plankt/artic...
This video has been dubbed using an artificial voice via aloud.area120.google.com to increase accessibility. You can change the audio track language in the Settings menu. - Věda a technologie
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Does he take some form of sedation therapy before narrating the videos? He usually has a very boisterous voice.
It's freaky to see the black "pupil" that absorbs all light in and ao has no reflection.
Kind of like a miniature black hole
This footage is mind nunbingly clear and sharp. The scope alone is amazing but the recording camera is impeccable as well. Please dont ever stop making vids!
Yeah! We hear so much about the microscopes, but what do y'all use to record it with exactly??
Water at this small scale really is more like syrup.
You never see an old man eating a Twix
Bring some to me and you will!
Reynolds number strikes again
@@trustthedogsheneverlies644 explain
@@Pixel_scribes Relevent here it describes the impact of viscose forces of flow for a specific reference and given that these guys are so small they can never escape the laminar world. This drastically defined how they (fly) through the medium and allows for much simpler geometry for propulsion.
In fact at rest Re is irrelevant but it's fascinating to see what such flows alow for 'designs' of propulsion.
How do we know we aren’t just blinding leptodora by shining a super bright light through them?
That was my thought, as well.
Seems likely. This creature only hunts at night. It put a whole lot of resources into growing its huge eye. Eyes are complex and "expensive". If a breeding population adapts to living in a cave it won't take many generations to lose eyesight.
If I understood the description correctly, this water flea has 500 light sensitive cones. That is enough to form images and to identify motion.
The eyes have to be good for something significant in their native habitat. Finding food, avoiding becoming food, or mate selection.
We probably are
It's wild how in closeup, their eyes bear a striking ressemblance to our own.
If there's something strange
In your microscope slide
Who ya gonna call?
_Jam's Germs!_
Love watching these videos right before bed. Puts me in a relaxed mood.
Yep. Aquatic ambiance, soothing voice, cool science words, reassurance that it's okay to be odd, wiggly & exposed.
Bravo once again to James for finding such cool specimens and for getting such pristine footage! Awesome video!
So nice. You are an example when it comes to microbe-related stuff.
I love this channel so much.
Love listening to you Hank, your voice in this channel. Felt it was very relaxing
That was the closest this channel has ever gotten to hitting me with a jump-scare, lol
This video really pops, ultra sharp and colorful.
I’m so thankful for this show and the team that’s behind it and the families behind that team. Peace and wellbeing. Thank you for bringing the most educational and informative videos on the microcosmos
I can't get over how these tiny microscopic creatures don't nearly look like anything we see on the land. They look like aliens.
They'd probably say the same about you if they could see you
@@limiv5272 haha true😂
Amazing footage! Well done, James!
Thank you!
good mix of footage
YESSS Leptodora are such bizarre organisms I love their messed up body plan! Great video!! Hopefully one day you'll get to highlight Cercopagis! Another bizarre Cladoceran predator!
My sleep deprived brain: 🎶 "L-l-l-leptodora!"
Thank you for the video.
Best episode in a long time
Love the contents
Good spooky vibes
Nice video 👍
Fascinating
Thank you#
Some take the term 'shrimp' farther than others.
when you hear city you live in (Warsaw) in a video like this you start looking different at bodies of water around you
If you look around the water bodies you may see a James one day!
Fascinating🔬
¡Impresionante!!
They look like they have great trouble swimming. Not unlike how all those dang crane flies bumble around flying as gracefully as tumbleweeds.
Remind me to keep my mouth closed when swimming in lakes!!!
Maybe the light in the microscope blinds it?
Cool.
I find myself wondering if the body cavity is as open inside as it appears on this video. It looks to me that the creature's carapace is much larger than it appears to require.
Remember that it is filled with blood, muscles, nerves and other tissues needed to keep those visible organs alive.
its weird to see its little heart beating
This was one of the more interesting videos. I could've watched it's organs all day.
I wouldn't mind coming back as a microbe
Is it possible to get the whole microorganism in the view and in focus with the camera? Without having to take multiple images?
Shepherd's Chapel Network !!!!!!! Chapter by Chapter / Verse by Verse !!!!!!! Amen
the black thing with red eyes from 1:31 to 1:35 that looks like it's motion is captured at 4 fps is hella creepy
its prob a cyclops
That’s a Copepod, they move like that because at those scales it’s harder to push water with that surface area, so they flick their antennae to move through the water in a really fast movement and then they lose momentum to the water, and then they flick again. If you have a pond or stream nearby you can find them and look at them do it, don’t even need a microscope if your eyes are good enough. (You won’t see their antennae just with your eyes though)
@@Rudol_Zeppili Quick Question, I seen people use the terms Copepod and Cyclops interchangeably is that correct?
@@bradyb2884 Yeah, copepod is just the scientific name for it, so the search engines would know that someone is searching specifically for the animal.
So what made it actually use its eye for? Is it possible it uses it only under very low light conditions?
Water looks quite viscous at that tiny level
I 💜 taxonomic nomenclature 🦊
Spooky 😱
⚠️
wow
Is it a reasonable guess that the ancestor of these guys and other crustaceans looked more like the macroscopic crustaceans, with two eyes? I'm curious how a change as drastic as having 2 eyes turn into one in the middle and right at the tip of its head happens (might be easier if they don't actually use that eye as a primary sense)
The title is confusing. Change "See Through" to "See-through".
this most ghostly ghost flea of all.....silence.....hahahah
What is the pulsing thing (heart???)
The Daphnia family is rather interesting for another reason. It is also related to the Scooby, and Shaggy families. But just how they are related is a Mystery to science, which some specialists think is a bit Spooky how they can sometime disguise themselves to look like one another.... ;)
Maybe it needs to be super upclose
🧿
Guys, I made a discovery because of your videos.
🤜🤛
Man the world is strange huh
2:12
It is leptodora.
Make a 2d laser engraved plane that somehow uses thermal energy to depict food and prey. See what happens
Swims around and any flow resistance to its hairs would signify that something is nearby. What is hair sensitivity too.why is that dark patch so dark
I would give anything to have AntMans suit to shrink down to the micro size where I can visit this micro world with out the help of a micro scope of any kind
👻
...but what's the eye for then?
Centimeter long? I think you meant millimeter long. The scale bar depicted when speaking of the size shows 400 micrometers and is around half the length of the water flea.
It's hard to film large individuals so we used smaller ones.
-James
I wonder if there are huge beings looking down and studying us, just like we look at these amazing little guys
Why so hurry?
interesting, however i ate it
i wish youtube wouldn't auto-play the robot portuguese voice by default >
WHAT THE?! I opened the video and suddwnly was attacked by a mechanical and souless voice in portuguese, what witchcraft is this andcwhy it is automatically set?!
imagining a world where fall means halloween, colorful leaves and return of the males. 😅
all its body parts are so clear ... how is its pupil so BLACK? does the pupil have pigment? what even are pupils?
GURNEY TO THE MICROSMOSLOS??
Hiya
Do you like red dead redemption 2
I’m the trap.
audio seems a little crunchy, might just be me
polish fleas
cm?!? mm.
What the fuck, why the video is in my motherlanguage?? (Brazilian Portugues) horrible dubbled, way better in english. Change the audio in cofig guys.
Read description. It's dubbed to Spanish not Portuguese
@@delta42-56 in audio config for me is spanish, portuguese and english.