Tadpole Shrimp Are Coming For Your Rice | Deep Look
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- Опубліковано 11 жов 2021
- Tadpole shrimp are neither tadpoles nor shrimp. They're time-traveling crustaceans called triops. Their eggs can spend years - even decades - frozen in time, waiting to hatch. When California rice growers flood their fields, they create the perfect conditions for hordes of these ravenous creatures to awaken.
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Each spring, hungry hordes of tadpole shrimp find their way into the rice fields of California’s Central Valley and go to town munching on the young seedlings.
Tadpole shrimp aren’t really tadpoles or shrimp, but they are crustaceans whose ancestors once lived in the sea.
“They look like tiny horseshoe crabs,” says Ian Grettenberger, an integrative pest management researcher at UC Davis.
“It’s obvious when rice fields have lots of tadpole shrimp in them, because they stir up the mud making the water look a bit like chocolate milk. There will also be shrimp zooming around, many upside down at the surface, popping up for a few seconds before disappearing back into the murkiness."
So how did crustaceans, whose ancestors lived in the sea, end up in these freshwater rice paddies?
Turns out, they’ve been waiting in the dry soil. Tadpole shrimp eggs can survive being dried out for months, years, even decades. When the water returns, they’re ready to hatch.
--- What do tadpole shrimp eat?
Tadpole shrimp aren’t picky eaters. They eat algae, floating debris, and whatever plants and insects they are big enough to eat. In California, tadpole shrimp are especially fond of young rice seedlings, which makes them an agricultural pest.
--- How do tadpole shrimp eggs survive getting dried out?
Tadpole shrimp evolved to live in temporary freshwater ponds, created by seasonal rains. Many of those pools dry up completely each year. Adult tadpole shrimp can’t survive drying out, but their eggs have a rugged outer layer called a chorion that protects the eggs from desiccation.
--- Can you raise tadpole shrimp at home?
Much like brine shrimp, also called sea monkeys, you can buy tadpole shrimp eggs, which will hatch when put in water.
---+ Find additional resources and a transcript on KQED Science:
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#triops #tadpoleshrimp #deeplook - Наука та технологія
"This tadpole shrimp is coming for your rice."
*Me:* "My goodness. How do we stop this monster?"
"They even eat larvae of mosquitos"
*Me:* "Give them a lifetime supply of rice and a Nobel Peace Prize."
Unleash them all over Africa. Problem solved.
Lol ok
You beat me to this comment, soon as they said that these things don't really destroy ricefields AND they eat mosquitoes my opinion did a 180 and now I think they're the best.
Haha cute
@@nickzakrath7080 This totally won't have unintended consequences like many other examples of releasing animals en-masse.
Fun fact. Farmers in Japan actually introduced Triops cancriformes into rice fields to get rid of mosquitoes and help ensure the rice is healthy
What's their trick to stopping them from eating the rice
@@thanhavictus there is none, if the rice isn’t healthy it ain’t gonna grow and gets cut out of the equation sooner
@@thanhavictus sorta, the rice just grows, but there are some losses. Most of the rice seems fine (especially when they get tougher as they grow) then the tadpole shrimps eat mosquitoes, weeds, and the sort.
@@thanhavictus I don’t know if they do this in Japan but in southeast asia, we grow the rice on dry land until it’s big enough and then, we either transfer it to the flooded field or just flood the field.
Yeah, they plant their rice in paddies as seedlings that already poke out of the water so they're big enough at that point.
Some of the best triops footage I've ever seen. Truly an underrated animal.
They look like mini trilobites or horseshoe crabs. Absolutely cool!
They are my new obsession
reminds me of those little kits what you buy at scholastic book fairs and end up never hatching them
Horizon on top
Mine surprisingly hatched thooo my grandma didnt know what they were and thought it was just some dirty water and almost dumped them lolol
Why does this make me sad?
Triops!
Out of the 30 eggs in the box set, 2 of mine managed to hatch.
And if you could find them in your house again, if they aren't shattered, you could likely still hatch them
Practically look like fossils come to life. Cute little guys.
Indeed - sometimes they are referred to as "living fossils," but even though they look very similar to their ancestors from many millions of years ago, there are notable internal changes that have occurred over time.
@@KQEDDeepLook I always love your video s I learned something new every time I watch
Kabuto
That's what your mom said last night
they look like horse shoe crabs, which are also considered living fossils
The eyes of a tadpole shrimp give me the "don't talk to me, i angry" vibes
Literally > 😡 lol
Angy
XD
No talk me, me angy
I remember triops and I loved them so much.
I found this channel a few years ago before I was even old enough for UA-cam TOS on my old Nintendo Switch account. When I sadly lost that account I also forgot about this channel. Now that I'm back on UA-cam on this newer account and I happened to be watching PBS Digital Studios and I saw this channel and even though I didn't know this channel was a PBS Digital Studios channel I'm happy I found it again. Also I heard about these emerging recently they're really cool especially the third eye which I have no idea why it evolved.
Can we just admire how Deep Look really goes in-depth not only with facts but with their video shots as well???
That’s why it’s called deep look
Duh!
@@5gun1 danm u beat me to it
You mean kqed
@@5gun1 Exactly, you understand! The lengths they go through to take shots like these is astounding, man!
These are my most favorite animals in the whole world. You can order eggs for like 10$ and they'll eat any vegetable. Most people just feed them parboiled carrots. You just add water to the eggs, and you don't even need a big aquarium for em, I've raised them in a literal fish bowl before. No heater, no filter. Absolutely give a go at hatching them, it's such a fun experience.
@@Tanks_In_Space yeah that's a good point. If you live where they're native then. I've always lived in the southwest us and never thought about that. i dont think there many vernal pools in many places where they would actually be able to survive multiple generations. I could be wrong.
@@Tanks_In_Space Maybe that's the case for fish, but these things die before you can get bored of them lol
@@Tanks_In_Space Not a huge problem, as the most common species, T. longicaudatus, is found naturally all throughout North and South America. Different species of Triops are found in Asia, Southern Europe, and Australia, so they have a pretty much global range already. I looked it up and currently Triops are only considered invasive in Northern Europe, Spain, and Japan. If you live in the States or Australia there should be no concern.
@@bigbonesjones5566 interesting thanks for the info. Don't buy these in you live in these areas please xD
They look pretty harmless too
Tadpole shrimp: we have come for your rice.
The story narrative makes the information so easy to digest
Kind of strange to think that they can spend years dormant in their eggs, only to hatch and live for just 20 to 90 days.
Yes, because they don't have much time for the plenty of water 💧
Having longer maturity is actually detrimental for them. Most seasonal rainstorm puddle wont even last a month.
They hustle, wake up reproduce and off to heaven they don’t waste time like us
If that is kind of strange to you, you should definitely check out cicadas! They wait 17 years and ALL of them hatch at the same time
@@hdjghasgaj Only some species from North America. Most cicadas come out every single year and are very representative of summer.
"This tadpole shrimp is coming for your rice"
*Sweats in Filipino*
*sweats in indonesian*
*Sweats Intensely In Malaysia*
Vietnamese
Sweats in Japanese
*Sweats in South East asian along with ehtnic Asians*
Didn't knew about it's existence, fascinating to know it lived even before the dinosaurs and still rocking, thank you deep look subscribed. ❤️
Buy a triops kit then you can have these guys as pets
@@kamageddynvideochannel3479 Why you assume I'll have them as pets?! No thank you. 🤣
@@gabrielfrost9134 Cause it seems like you love them interestingly😂
Seriously cant get enough of these videos
The way life can adapt to literally every environment is beyond amazing
The Way Deep Look described them, and said they weren't true shrimp, that they survive beyond the breaking point of other beings -- I was like... oh, okay. Water Cockroaches lol. Got it :P
The meek(shrimp) shall inherent the earth
"Life uh, finds a way"
Because god is great 😌
@@amarguediomar8076 agreed
As a Japanese person who loves rice (I can practically live on just onigiri 🍙) but hates mosquitoes, I’m super conflicted about these guys
Rice farmers in Japan actually introduce these guys to their fields to deal with both weeds and mosquitoes
YWNBJ
lol
I like rice not mosquiteoes
@Hernando Malinche why the reaction? They barely touch the crop harvest. As soon as the seedlings are set in and growing well, these critters move on to eating invasive weeds and mosquito larvae. Plus, there are Native species of these things in that area, so it's not like there's a dangerous invasive pest getting introduced. They live there, already.
“Tadpole shrimp are coming for your rice” sounds like something that should be made into a meme.
"We have come for your rice"
"GET OUT OF MY HOUSE"
why do we like naming things something they aren't.
"its not a tadpole"
Yeah because its a shrimp
"its not even a shrimp"
wth!
It’s named after its appearance. It looks like a tadpole and shrimp. Taxonomy and naming traditions also changes a lot. For example eagle used to be a term which referred to raptorial birds in general. So there are a fair few ‘eagles’ that aren’t eagles at all.
english moment
@@inanefabas4402 aint latin but doesnt matter lol
The Mountain Chicken would like a word with you
@@inanefabas4402 latino call it Triops.
Triops look like aliens from the twilight zone. It’s fascinating how they can persevere and live for so long!
They only live for like 90 days tho
@@rydon6330 individually yes, but a species as a whole they have survived major extinctions
they're kind of cute to me! almost like shrimpy looking horseshoe crabs
@@doctordemon5076 we as a species aren’t that old, we’re really new relative to others
@@rydon6330 30 days…..
their cuteness is the reason why I'm willing to give up my rice. 🥺
They are cute
They look prehistoric, a bit like the crabs from the Horseshoe crab family of crustaceans, just miniature versions.
As always top notch production, and another great learning experience, short simple and factual, exactly what/how it should be.
That's because they are
I always think Tadpole shrimp and Triops are so cool and cute. It's like a Horseshoe crab but...smol 🥺
Same thought 😍😍
Horseshoe crabs are some of my favorite animals. I have so many of them on my beach in Animal Crossing. So when I saw the tadpole shrimp up close I just about squealed.
I wonder how closely related they are
Not as close as one might think. While both are arthropods, Tadpole shrimps belong to the Crustacea and Horshoe crabs to the Chelicerata. So Horseshoe crabs aren't actually crabs and are more closely related to spiders and scorpions, which also belong to the Chelicerata.
@@scarfy790 so just convergent evolution for their general shape?
In some countries in Asia, rice is planted from seedling instead of from seed so the triops won’t eat them. They are found throughout the world, not just in the Americas, and there are many more species than just the one displayed here.
I wonder how long humanity have known these tiny creatures.
Woe
but where does the seedlings come from?
Even in the real china, taiwan?
@@PatchyE they are grown seperatly in mud
Fun fact: the first speicies' of tadpole shrimp lived over 200 million years ago, and that could easily prove how hardy they are
Um... they literally say that _in_ the video. That's not how the "fun fact" thing works. 🙄 Just repeating stuff the video says isn't a "fun fact" situation. At all.
These little critters are pretty cool. I remember having some as pets when I was a kid. This kinda made me want to buy another box from Argos and raise new ones xD
"Who's been eating up everything"
"It's been Tadpole Shrimp All Along!"
Ohhh i get it
You got the idea from agatha all along wasnt it
I always called them Triops, I literally never knew they had a common name, much less “tadpole shrimp”
I am pretty sure I’ve seen a brand of triops that said tadpole shrimp on them in a thrift shop long ago. Then again there’s probably a lot of different brands of triops so I mean ya lol
Same
@volle Kanne DUDE I had one who lived 6 months and a half didn’t know it was possible to do better ! Most don’t get passed 1 and a half lol
Triops are common here in desert regions where water collects. You can find them if you know where to look. There's a lot of them at Hueco Tanks State Park near El Paso, Texas. There's voids in the big rocks that collect rainwater and you will see them if it has rained recently.
@Derpychicken....Lol...😆... and what was the first thing you thought of when you saw their common name and what it was?
4:05
who's gonna tell these people that most things came "before the dinosaurs?"
Growing rice in a desert. Brilliant, California.
When I was a kid, I got a kit containing a container with sand and some triops eggs for Christmas. It was the best Christmas gift ever.
I also thought for some reason that they took these eggs from the dinosaur era, and preserved the eggs
Yooo i had some to when I was seven they were really cool
Because they were often advertised as dinosaur crabs or something similar silly.
mine died so i had to bury it
aww that's so cute
@@ricelover6948 rip
watching them eat the rice is weirdly adorable, let's agree
That is true
Yep I’m agreeing
monch monch monch
Narrator: Pronged tails stir up the mud bloting out the sun
Xerxes: I like these puny insects.
These guys will still be here even if we are long gone
“These shrimp are eating your rice.”
How dare they, we should really do something about tha-
“They eat mosquito larva.”
All is forgiven.
Yes
Sacrifices have to be made
Coppied
@@pantzrat6273 yup
So true
so basically they help us to differ good seeds from the bad ones (since only the strongest seed gets to grow and bears fruit for us)
they also kills off any Mosquitoes Larvae; truly an impressive creature 👀
They were actually introduced in Japan on purpose!
That's not how bugs think. Bugs eat everything period. And frankly the strongest seeds are the ones germinating first and therefor wil get eaten first. So if anything the opposite is true.
What's not to love about the little critters?
Sigma grindset creature
Sadly, they only live about a month :(
As an Asian who used to help my family at the rice fields, I thank these shrimps
Triops!!!
I had one of them toy sets as a kid but only managed to grow 2 out of the 30 eggs that was provided. The bigger one ended up cannibalising the substantially smaller one. Then it ended up dying two months later. These events confused me as a kid, but I ended up learning one very important lesson; life is brutal.
I love my fellow shrimps! Thanks for showing me Deep Look.
My pleasure 😊
ua-cam.com/video/t_y4OmLnZnc/v-deo.html&feature=share
@@jockseethe9300 BRUH
FINALLY THEY GOT THEIR ATTENTION THEY NEEDED, LET'S GO TRIOOOOOOOPS AAAA
As an avid rice lover, this video blew my mind, thanks for another great vid lol
Deep look truly looks deeply into information and give it to us in a way more detailed unique efficient and simple way which is the best thing. I really feel like this channel deserves a few more million subscribers.
As someone Chinese, my first thought was, "Ooh, free shrimp coming with my rice?"
After seeing the video and seeing how tiny they are... "Do they still taste good at least?"
I'M CRYING DUDE SAME
They have basically not meat on em so no.
@@oceanicwhitetip8984 you make me sad
It's a shrimp crust with mud, I don't think they are tasty at all.
@@fenrirgg I will crush them with my teeth and eat until i have my fill.
Kinda gives "shrimp fried rice" a whole new meaning.
Um, not so much. They are long dead and their eggs are at the bottom of the water until next year loooong before the rice gets harvested. The two don't interact once the rice plants are established and growing. So... yeah. Not really logical to conflate the two things.
@@MaryAnnNytowl This comment wasn't meant to be taken literally
My sister once bought a triop kit from a book fair. Fascinating experience! It was so cool then and now!
Beautiful creatures with a very interesting life cycle, thanks for the video
They look like tiny horseshoes.
So if i understand well, between the tadpoles and the rice farmers it’s a win-win situation ? They lose some rice but they gain strongers plants and less mosquitoes. Cool.
Never knew they were rice farmers in California... i learn something today. 😁
We farm basically everything here in California, so honestly its harder to look for something that ISNT farmed here. The central valley is basically one giant fertile valley, and would be perfect if it weren’t running out of water faster than ever.
I want them in my ponds. To eat the mosquito larva! Anyway, I almost thought they would be killed as pests or something since they eat rice seedlings. I'm happy it didn't turn out that way. They're awesome creatures!
You can get mosquito eater fish, often for free.
I wonder when humanity first discovered them, probably thousands of years ago, did they treat these tadpole shrimps as pest first, or use them for their benefits of their crops?
@@Isaac-gh5ku I saw that people introduced them to rice fields.
These little fellows are awesome! I find them terribly cute.
I’m sorry but this has to be one of the coolest things I’ve ever seen.
This is bad...
"They even eat larvae of mosquitoes"
This is good
This is funny
0:42 and are responsible for hundreds of multiversal temporal paradoxes
I raised some of these guys from a kit several years ago and watched them bury a bunch of eggs in sand near the end of their lives. Still got the sand and waiting for a good time to hatch new babies. Love these guys.
That's some charismatic micro-fauna if I've ever seen any..
the long shelf life of the eggs is why theyre sometimes sold as "instant pets" to kids.
"put them in water and blammo" kind of thing.
They look like they’re related to Horseshoe crabs, but tiny.
Yeah I wonder if they have blue blood, too..
@@sacha96155 not likely horseshoe crabs aren't actually crustaceans and are in fact more closely related to spiders and scorpions.
Maybe evolving from a common ancestor during the Cambrian period but moving to freshwater did something to them. DNA testing might answer hat although I thought that horseshoe crabs are related to spiders and crabs. Hmmm.
“Roses are red violets are blue”
“The water is flooding up,your rice is gone too”
I can't. They just look so funny. How could you not like watching them exist
Thank you tadpole shrimp where my favourite when I was a kid. I had a few different generations of them until they died. I bought some more soon after, but something was wrong. With my 9 year old brain I didn't question how water fleas got into my enclosure and the eggs in the packet where thin and long compared to there normal ball shape. If I just thought to tell someone that I think there's something weird with the larva of the tadpole shrimp we could of prevented the disaster to come. On the night they all seemed fine after I left them some boiled cucumber I went to bed. I woke up with covered in itchy bites all over my body and my room was swarming with mosquitos. My mom had to spend 2 nights swatting them with a tea towel leaving me sharing my mom's bedroom. After that I wasn't aloud to have anymore breaking my heart as I just wanted to have some little buddies. Why do mosquitos ruin everything.
They sent you mosquito eggs instead of tadpole shrimp eggs?!?
@@tookitogo Yeah I don't know how maybe it's the way they collect them and they got collected instead I'm not sure.
@@captainbagel7512 Indeed. I mean, the only other thing I could imagine would be a packaging error, but then again, who on earth would want to buy mosquito eggs?!?
maybe they were from China, trying to sabotage other countries
I remember seeing these little critters while growing up in Jemez New Mexico, I thought it strange that there were these prehistoric creatures in the middle of the desert, absolutely amazing.
Wait I live so close to Jemez! I might have to go check it out
So prehistoric! Love the vids as always!
Cutie little helpers.
3:45 Awww It's doing a little dance!
I remember raising these guys from a kit I got from a book fair at school when I was a kid
Wdym when you was a kid you are a kid
@@homebank7764
How do you know?
@@danhix5005 idk
@@homebank7764 ?
@@homebank7764 that was a wild guess, his acc is 9yo
Never heard of these things b4. Nature is amazing.
One of the coolest looking creatures for sure.
Tadpole Shrimps to the mosquito larvae: "Welcome to the rice fields!"
Triops are so cool! I wonder how long their resilient eggs can be dormant for. They are so derpy in their movements, haha!
According to a Google search, the eggs can survive up to 27 years!
@@KittyMeow1984 😱 that’s long Long.
The most resilient organic this is Pollen grains which is present in flowers. No acids or enzyme can damage a pollen.
Who knew something Soo cute could like rice as much as we do?
Thank you for showing this❤️
"In a world where the future is unpredictable, tadpole shrimp are the ultimate survivors"
Cockroaches: Finally, a worthy opponent!
Wha…whaaat? I’ve never heard of them! They are so cute! I love them! 🥰
Right?!
Yes but they gunna eat your rice
@@sekkianorin5118 But they also gonna eat mosquito babies, which is very good
You should try raising them! They're pretty cheap and can be mail-ordered, and eat just about any plant matter. It's really fun to watch them hatch and then develop into adults!
Feel free to check out our Channel, we keep them as aquatic pets!
1:01 Tadpole Shrimp: Awaken, My Masters!
Jojo
All part of the food chain ,God’s creations are Amazing!
In many Asian counties with high Triops populations, rice plants are started indoors in pots and troughs, and are then planted out in flooded fields once the plants reach a decent size :)
That's good to know! Less energy spent trying to eradicate Triops and learning to coexist with them while they help eat weeds and mosquito larvae
@@RainebowEvee I agree
Angel: “Your Master, can we have trilobite?”
God: “We have trilobite at home”
Trilobite at home:
I see this as an absolute win
Trilobite: WELLCOME TO THE RICE FEILDS MOTHER-
God: 눈_눈
Triops:iam rice trilobite
Horseshoe crab:am spike trilobite
Giant isopod:am KILLER TRILOBITE
@@tsarbomba8233 underrated comment
ok woah these little creeper crawlers are seriously cool
“They eat rice crops.”
“Oh no!”
“And mosquito Larvae”
“OH YES”
These are highly predatory- I grew some once and there ended up only being one big one in the tank by the end. They also eat crustaceans like Daphnia that also produce resting eggs- I wonder if adding Daphnia to the rice fields would give the tadpole shrimp something else to chew on other than seedlings?
when I had some as a kid they'd eat the bodies of ones who had died naturally. Not sure if I ever saw them actively hunt each other but maybe they did
oh and they also ate their shedded exoskeletons which I found kinda gross to watch
When i had these, the 4 lived in harmony together and shared their spaces
Yep they like too eat their friends
Funny thing about animals who lived in a short time, waking up not being able to see their parents, they actually know how long their lives are gonna last, what theyre supposed to do, i mean, one mistep on their journey would be the last of their race or kind.
They have they instincts.
And if they fire wrong, well - then the species cleaned its gene pool.
They have their studies while inside their egg
Sorry, i was just scrolling through my recomended and i see “Tadepole shrimp are coming for your rice” while i was eating rice and i look at the thumbnail and start bursting out in laughter
Good work to whoever recorded these footages! 👍
Tadpole shrimp when they eat mosquito larva: *Maybe I don’t want to be the bad guy anymore*
"They are coming for your rice"
*Me* : Oh no how to kill them without Contaminating the rice
"They eat mosquito eggs"
*Me* :Can I keep them as pets and feed them rice?
Oh wow thx for the likes this is the most amount I've ever gotten
They're also more beneficial to the rice overall. Plus they aren't able to eat ALL of it, only the toughest and fastest growing will survive.
@@oceanicwhitetip8984 wow they would make the best pets then its a win overall to get them
You can and they are cheap
WE HAVE COME FOR YOUR RICE!
Rice farmers each spring: AWAKEN MY MASTERS!!!
AYyYYYy AYYy AYyyy Ayyyy
I'm just curious why California is still growing rice when they are quickly running out of water. Grow it here on the east coast again
exactly what I was thinking! it seems like a massive waste of their already-low freshwater supply.
Because of the environment. California has hot days and cool nights, along with clay soil that holds on to virtually every drop of moisture create the perfect conditions for growing California’s distinctive japonica rice.
I couldn't believe it either! Rice is a crop with very high water consumption, are there not other cereals that would be better suited to the environment?
Along with their almond tree farms...at 1-3 gallons per almond...
"Scatter their seeds"
**collective gasp from seedling-planting rice farmers of Asia**
Hmm weren't they sending over invasive plant seeds in the mail? Time to return this favor and mail and invasive species back
It's funny that the shrimps wouldn't even be a problem if the farmers planted seedlings, as the plants would already be too big to be damaged, but i guess it's cheaper to use more seeds and save labour costs.
I guess trading a few rice stocks for less mosquitoes is fair. And actually really cool.
I'm from east central Arkansas. Largest rice producer in US. Seen rice planted ALL my life. Never seen it planted AFTER field is flooded. Here farmers plant BEFORE they flood their fields.
This is one of the coolest looking creatures I’ve ever seen
These are the “aqauasaurs” I had as a kid
It’s always great recognizing the part of California in these videos.
All in all, triops are incredible
I just impulse bought some at 1 am after watching this video
I love this channel!!!! This world is so full of surprises! And you guys work so hard to unwrap those surprises for us!
Thank you so much Tracy!
I want to thank you for these amazing filming! I teach zoology and show your films to students
That is awesome! So glad to hear. #inspo
This is the most interesting video I have seen for a while. Thanks!
anyone gonna talk about how funny these guys swim around?