High Seas Science @RebeccaRHelm Twitter profile

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High Seas Science

@RebeccaRHelm

3 years

"BuT HuMaNs aRe tHe mOsT AdVaNcEd sPeCiEs"

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@RebeccaRHelm

2 years

EXTREMELY RARE footage of the elusive box jellyfish Chirodectes. Larger than a soccer ball, this jelly is a true ocean mystery, and this video is one of the only in existence, filmed off the coast of Papua New Guinea in 2021. 📽️Scuba Ventures Kavieng

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@RebeccaRHelm

5 years

Friendly neighborhood biologist here. I see a lot of people are talking about biological sexes and gender right now. Lots of folks make biological sex sex seem really simple. Well, since it’s so simple, let’s find the biological roots, shall we? Let’s talk about sex...[a thread]

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@RebeccaRHelm

3 years

writing these tweets like

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@RebeccaRHelm

2 years

This Thanksgiving, break the ice by telling your family and friends how baby octopuses sometimes ride on jellyfish like little hats...[a thread] 📸

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@RebeccaRHelm

4 years

Omg I have CHILLS. This is an ANIMAL. I'm guessing it's over a hundred feet long, forming a spiral in the middle of the deep sea. I've gone on numerous expeditions and have never, EVER, seen anything like this. Let me tell you what this is and why it is blowing my mind [a thread]

Schmidt Ocean

@SchmidtOcean

4 years

Check out this beautiful *giant* siphonophore Apolemia recorded on #NingalooCanyons expedition. It seems likely that this specimen is the largest ever recorded, and in strange UFO-like feeding posture. Thanks @Caseywdunn for info @wamuseum @GeoscienceAus @CurtinUni @Scripps_Ocean

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@RebeccaRHelm

3 years

The approximate size of various ocean animals with a Bernie for scale. A Thread. 🧵

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@RebeccaRHelm

1 year

OMG it literally took someone SWIMMING FROM HAWAII TO CALIFORNIA to discover this, but wow did we find something shocking in the Great Pacific Garbage Patch... [a thread 🧵]… New study:

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@RebeccaRHelm

5 years

Since the answer will obviously be no, please be kind, respect people’s right to tell you who they are, and remember that you don’t have all the answers. Again: biology is complicated. Kindness and respect don’t have to be. [end of thread]

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@RebeccaRHelm

1 month

Wanna hear a story about an ocean animal that is WATERPROOF, sails, and why I tried to accidentally recycle a bunch of them???? [a thread 🧵]...

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@RebeccaRHelm

1 year

I got up close with a Portuguese man-o-war recently. My god these animals are beautiful. In case you need more evidence about just how alien our ocean is and why we need to protect it...

High Seas Science

@RebeccaRHelm

1 year

What's wrong with... High-seas plastic cleanup Deep-sea mining Mesopelagic fishing High-seas geoengineering? In our new paper, we discovered a HUGE issue at the heart of these industries. And ignoring it is a risk to all of us... [a thread 🧵] Study:

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@RebeccaRHelm

5 years

The reason I don’t have my students look at their own chromosome in class is because people could learn that their chromosomal sex doesn’t match their physical sex, and learning that in the middle of a 10-point assignment is JUST NOT THE TIME.

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@RebeccaRHelm

2 years

THIS IS A BABY EEL. Many eels live in the open ocean when young & are barely recognizable (this may be a conger eel). They're at the mercy of the currents, never sure what will happen. Their lives are mysterious, perilous, & beautiful. Video: Fan Zhang

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@RebeccaRHelm

4 years

I literally HAVE CHILLS. They just REMOVED OVER 100 TONS OF PLASTIC from the Great Pacific Garbage Patch!! All collected non-invasively for wildlife safety. WHY AREN'T PEOPLE TALKING ABOUT THIS?!

Ocean Voyages Institute

@oceancleanup

4 years

#OceanVoyagesInstitute completes LARGEST OPEN OCEAN CLEAN UP IN HISTORY returning to Honolulu with 103 tons of plastic from the Great Pacific Garbage Patch after 48 days at SEA.

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@RebeccaRHelm

5 years

Biological sex is complicated. Before you discriminate against someone on the basis of “biological sex” & identity, ask yourself: have you seen YOUR chromosomes? Do you know the genes of the people you love? The hormones of the people you work with? The state of their cells?

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@RebeccaRHelm

3 years

(we are not: no species is more 'advanced' than any other. each species is uniquely adapted to its environment. This crab could judge any other species for their inability to build sand houses etc. as being 'less advanced.' It's all a matter of perspective)

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@RebeccaRHelm

2 years

Ribbon jellies are so fragile they feel like water and rarely survive waves close to shore. Even though they can be a meter long or more, you have to go to calm waters far out to sea to find them. 📸 Alexander Semenov

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@RebeccaRHelm

3 years

THIS IS HOW STARS ARE BORN!! Many sea stars begin life as young fairy-like creature that floats through the open ocean. Eventually, a star forms within them (here in yellow) & the little fairy-like body sinks under the weight & a star pops out! #DailyJelly

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@RebeccaRHelm

4 years

Soooo...I made a thread of animals that should be Pokemon. Please enjoy :)

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@RebeccaRHelm

3 years

I want to tell you a story, and it begins with this VERY WEIRD animal: Meet Thetys vagina... [a thread 🧵] 📸 m_patton #DailyJelly

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@RebeccaRHelm

5 years

This is your weekly reminder that baby octopus ride on jellyfish in the open ocean and it is adorable. Pictures: #DailyJelly

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@RebeccaRHelm

3 years

Here's a whole thread of animals that live at the ocean's surface. 💙💙💙

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@RebeccaRHelm

5 years

A Y with no SRY means physically you’re female, chromosomally you’re male (XY) and genetically you’re female (no SRY). An X with an SRY means you’re physically male, chromsomally female (XX) and genetically male (SRY). But biological sex is simple! There must be another answer...

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@RebeccaRHelm

5 years

It means you may be genetically male or female, chromosomally male or female, hormonally male/female/non-binary, with cells that may or may not hear the male/female/non-binary call, and all this leading to a body that can be male/non-binary/female.

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@RebeccaRHelm

4 years

There is a lot of uncertainty right now, and it's hard not to feel overwhelmed by it all. I made a thread of amazing ocean animals for you, because we all need a break sometimes ❤️

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@RebeccaRHelm

5 years

Try out some combinations for yourself. Notice how confusing it gets? Can you point to what the absolute cause of biological sex is? Is it fair to judge people by it?

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@RebeccaRHelm

1 year

Marine biologists when someone sees 'something weird' at the beach

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@RebeccaRHelm

5 years

Turns out there is only ONE GENE on the Y chromosome that really matters to sex. It’s called the SRY gene. During human embryonic development the SRY protein turns on male-associated genes. Having an SRY gene makes you “genetically male”. But is this “biological sex”?

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@RebeccaRHelm

5 years

If you know a bit about biology you will probably say that biological sex is caused by chromosomes, XX and you’re female, XY and you’re male. This is “chromosomal sex” but is it “biological sex”? Well...

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@RebeccaRHelm

4 years

There’s a long a proud history of Black cowboys in the United States! [mini thread of links on Black cowboy history]

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@RebeccaRHelm

2 years

WHY IS NO ONE TALKING ABOUT THIS?! The Ocean Voyages Institute has removed >200 tons of plastic from the Great Pacific Garbage Patch! ~1/500 of the estimated plastic! Sailors attach trackers to plastic & ships pick it up. Scalable, cheap, eco-friendly!

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@RebeccaRHelm

5 years

...if you’re developing, your body may not produce enough hormones for your genetic sex. Leading you to be genetically male or female, chromosomally male or female, hormonally non-binary, and physically non-binary. Well, except cells have something to say about this...

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@RebeccaRHelm

1 year

Happy New Year from the fireworks jellyfish, filmed 1225 meters under the sea off Baja California, Mexico. 📽️ @EVNautilus

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@RebeccaRHelm

5 years

“Hormonal male” means you produce ‘normal’ levels of male-associated hormones. Except some percentage of females will have higher levels of ‘male’ hormones than some percentage of males. Ditto ditto ‘female’ hormones. And...

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@RebeccaRHelm

5 years

Sometimes that SRY gene pops off the Y chromosome and over to an X chromosome. Surprise! So now you’ve got an X with an SRY and a Y without an SRY. What does this mean?

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@RebeccaRHelm

2 years

Y’all I saw eyes in the forest on my walk tonight and got kind of scared until I used my flashlight and now I’m DYING

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@RebeccaRHelm

5 years

Of course you could try appealing to the numbers. “Most people are either male or female” you say. Except that as a biologist professor I will tell you...

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@RebeccaRHelm

5 years

Sex-related genes ultimately turn on hormones in specifics areas on the body, and reception of those hormones by cells throughout the body. Is this the root of “biological sex”??

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@RebeccaRHelm

4 years

Listen: the world is kinda rough right now. But scientists just discovered a GLITTER-COVERED WORM at the bottom of the ocean and we need to talk about it! Time for a wonder break! [mini thread]

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@RebeccaRHelm

5 years

Maybe cells are the answer to “biological sex”?? Right?? Cells have receptors that “hear” the signal from sex hormones. But sometimes those receptors don’t work. Like a mobile phone that’s on “do not disturb’. Call and cell, they will not answer.

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@RebeccaRHelm

3 years

Folks getting salty like "did crabs go to the moon?" If you choose that as your measure sure: you are the most advanced at going to space rocks. If building a house over your head in 2 minutes is your measure, this crab beats you. There's no absolute 'the most advanced'.

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@RebeccaRHelm

1 year

STUNNING! This flatworm is creating its body shape with living origami. The 'ears' at the front are actually just folded flat tissue, like origami rabbit ears, that the worm likely uses to sense its environment. 📽️ @CephWarden

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@RebeccaRHelm

2 years

Baby sea anemone floating through the open ocean being EXTREMELY ROUND. Don't settle for anything less than amazing baby sea anemone! 📸 Ryo Minemizu

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@RebeccaRHelm

1 year

UNREAL!! This extremely rare box jellyfish, Chirodectes, is larger than a soccer ball and this is one of the only videos ever taken. The oceans are so unimaginably vast, what else is out there? Protect the high seas. @UN #BBNJ Scuba Ventures Kavieng

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@RebeccaRHelm

1 year

These are soft crystalline seashells. These beautiful shells come from the mysterious open-ocean Corolla snails, which sail through the water using butterfly-like wings. Because Corolla snails live far from shore, crystal shells are extremely rare. 📷 @inaturalist

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@RebeccaRHelm

3 years

OMG MORAY EEL HUNTING ON LAND! Moray eels have an internal pair of jaws, literally like the jaws from the Aliens monster, to grab prey and pull it down their throat (open thread for video). This way they can eat on land. WHAT IS THIS PLANET?? 📽️ @club_caza

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@RebeccaRHelm

2 years

"BIGGER THAN A SOCCER BALL" I've been studying jellyfish for 12 years and this is a first for me! This stunning box jelly was spotted around Papua New Guinea, and is possibly a rare Chirodectes says @collins_noaasi ! 📽️Scuba Ventures Kavieng #DailyJelly

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@RebeccaRHelm

5 years

What does this all mean?

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@RebeccaRHelm

4 years

I am beyond FURIOUS. We’ve been f-cking lied to for decades. “How Big Oil Misled The Public Into Believing Plastic Would Be Recycled”

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@RebeccaRHelm

2 years

THIS IS HOW STARS ARE BORN!! Many sea stars begin life as young fairy-like creature that floats through the open ocean. Eventually, a star forms within them (here in yellow) & the little fairy-like body sinks under the weight & a star pops out! 📸 #HighSeas

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@RebeccaRHelm

4 years

Having a rough day? Here is a glass full of tiny jellyfish. From aquarist Matt Wade @NatlAquarium ! Video: #DailyJelly

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@RebeccaRHelm

1 year

Meet the longfin batfish. The adults are silver, but the young, like this one, are black with a hypnotic orange strip that sways in the night. But these fish are more than looks: they also eat algae on stressed coral reefs, helping coral growth. 📽️

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@RebeccaRHelm

2 years

The world is in desperate need of some cute right now. So here's a thread of marine animals being adorable. Video by: #DailyJelly

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@RebeccaRHelm

2 years

This is your semi-regular reminder that baby open-ocean octopuses ride around on jellyfish. Please enjoy. #DailyJelly Pics from the amazing Songda Cai:

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@RebeccaRHelm

1 year

This is what BABY JELLYFISH look like! They are so small they fit in a drop of water and are shaped just like snowflakes. 📽️ me

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@RebeccaRHelm

5 years

@khouch @jfagone

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@RebeccaRHelm

5 years

This is your weekly reminder that baby octopus ride on jellyfish in the open ocean and it is adorable. Pictures: #DailyJelly

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@RebeccaRHelm

4 years

OMG! Ok, I don't want to get too excited...but according to several squid experts, this may be the FIRST VIDEO OF A LIVE RAM HORN SQUID! While these squid have many extinct relatives, they're the only ones left of thier kind & have a spiraling shell! 🎥 @SchmidtOcean #DailyJelly

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@RebeccaRHelm

1 month

For those of you not on art or space Twitter... there is a viral trend right now involving fan art of ducks and a meteor and I am✨obsessed📷(featuring art by @stellerarts , @prenkuchan , @flafdraws , @hyxpk )

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@Dexerto

1 month

A group of ducks in Portugal witnessed the meteor while on Twitch

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@RebeccaRHelm

1 year

An ecosystem hardly anyone studies. Let me introduce you. There are blue button jellies. Flower-shaped jellies that float on the surface and shimmer and pulse, like stars...

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@RebeccaRHelm

6 years

Do you love the open ocean? Jellyfish, squid, and mysteries of the deep sea? I post new facts and beautiful pictures about the open ocean every weekday. Follow me or #DailyJelly to join the adventure. #Jellyfish #Octopus #Squid #DeepSea #DeepSN

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@RebeccaRHelm

4 years

There's a whole world living at the ocean's surface, and I promise you've never seen animals quite like these... [a thread] #DailyJelly (📽️ by me)

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@RebeccaRHelm

2 years

THIS IS THE BLANKET OCTOPUS. Females are 10,000 larger than males and have a stunning color-changing cape. This amazing creature lives on the high seas beyond national jurisdiction. WE'VE GOTTA PROTECT THEM!! #oneoceanoneplanet #bbnj #highseas 🎥J. Elayani

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@RebeccaRHelm

4 years

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@RebeccaRHelm

2 years

This tiny octopus, no bigger than a hamster, was spotted 825 meters deep by the @oceanexplorer , and is basically the cutest Pokémon ever. BUT it lives on the high seas, which means there's NO environmental protection for this species. We must protect the octopus hamster 🥺

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@RebeccaRHelm

2 years

HAVE YOU SEEN THE OTHER TURKEY?! There are only TWO species of turkey in the whole world. The North American brown "wild turkey," and the STUNNING ocellated turkey, native to the Yucatan Peninsula, Mexico. Now this is a beautiful bird. 📸 wiki

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@RebeccaRHelm

4 years

A stunning sea angel (Clione sp.) hovering under White Sea ice. #openoceans #dailyjelly Amazing video by Alexander Semenov:

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@RebeccaRHelm

2 years

OMG it literally took someone SWIMMING FROM HAWAII TO CALIFORNIA to discover this, but wow did we find something shocking in the Great Pacific Garbage Patch... [a thread 🧵]… Preprint:

High Concentrations of floating life in the North Pacific Garbage Patch

Floating life (obligate neuston) is a core component of the ocean surface food web. However, only one region of high neustonic abundance is known so far, the Sargasso Sea in the Subtropical North...

www.biorxiv.org

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@RebeccaRHelm

4 years

OMG MEXICAN TURKEYS ARE BEAUTIFUL! There are only two turkey species: the North American brown "wild turkey," which most people know from Thanksgiving, and the "ocellated turkey," native to the Yucatan Peninsula. IT IS STUNNING. #ThanksgivingWeek

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@RebeccaRHelm

3 years

THESE ARE REAL & EXIST ON EARTH. I'm just learning about them, they're called Dendronotus nudibranchs. This one was filmed near Vancouver Island, BC. They can be nearly a foot long! They fold their bodies to swim & drift. 📽️Marcelo Johan Ogata #DailyJelly

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@RebeccaRHelm

3 years

LOOK AT THIS SEAGULL STUNT

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@RebeccaRHelm

2 years

UNREAL!!! Baby flatfish live floating in the open ocean before settling to the sea floor as adults. To “hide” in open water, they’re almost completely clear, astonishingly flat, and swim like waving kites.

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@RebeccaRHelm

2 years

Happy New Year from the fireworks jelly, 1225 meters under the sea 🥳 📽️ @EVNautilus

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@RebeccaRHelm

3 years

LOOK AT THESE BABY FLYING FISH 😭😍 flying fish are born with tiny wings and can FLY at two weeks old! Imagine all these little butterflies sailing from the waves! ❤️❤️ #DailyJelly

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@RebeccaRHelm

4 years

THIS IS WHAT BABY EELS LOOK LIKE!!! This one may be a baby conger or garden eel. Some eels must undergo one of the most intense and dangerous migrations on Earth to give birth to such fragile young...[a thread] Video by Fan Zhang: #openoceans #dailyjelly

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@RebeccaRHelm

2 years

These animals live around the world, but you've probably never seen them! Blue button jellies float on the open ocean's surface and only rarely wash up on beaches or close to shore, like this animal here. By @/snorkeldownunder on Instagram

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@RebeccaRHelm

2 years

THE ONLY FOOTAGE of the LONGEST ANIMAL ever found on Earth. This jelly, called Apolemia, was filmed off Australia in 2020. It is ~119 meters (390 ft) long, the length of 11 school buses. The body is surrounded by a halo of deadly tentacles. A living ocean galaxy. 📽️ @SchmidtOcean

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@RebeccaRHelm

3 years

Salps sink LITERAL TONS of carbon into the deep-sea each year. So when we talk about ways to fight climate change, we can all thank the secret heroes of the sea for their part. We can all thank Thetys vagina. [end of thread] 📸 m_patton

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@RebeccaRHelm

4 years

THIS IS A BABY EEL. Many eels live in the open ocean when young & are barely recognizable (this may be a conger eel). They're at the mercy of the currents, never sure what will happen. Their lives are mysterious, perilous, & beautiful. Video: Fan Zhang

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@RebeccaRHelm

2 years

NATURAL WATER RAINBOWS! These rainbows aren't created by pollution, but by eco-friendly bacteria. You can tell the difference by looking at the shapes: oil slicks swirl, while natural water rainbows are often broken into pieces, like a puzzle. They're BEAUTIFUL up close! 📷 me

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@RebeccaRHelm

2 years

They're snails and they flap around the ocean THEY'RE LITTLE FLAPPING SNAILS 😭😭😭

Prof. Michael Sweet

@DiseaseMatters

2 years

Bats do not just fly in the sky - here we have the cute little ‘sea bats’ Video taken by Patricia Thibodeau showing Limacina helicina pteropods swimming around - originally collected in Antarctica

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@RebeccaRHelm

1 year

A jellyfish evolved back into a single cell, doesn't need oxygen, and now lives parasitically inside the cells of other animals. Repeat: there's a single-celled jellyfish vibing O2-free INSIDE OTHER ANIMAL CELLS. Meet the hook-shaped intracellular jellyfish parasite Myxozoa 😈

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@RebeccaRHelm

4 years

So....here's a short thread of jellyfish being extra

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@RebeccaRHelm

4 years

This is your periodic reminder that baby open-ocean octopuses like to ride on jellyfish and it is adorable. #DailyJelly Pics from the amazing Songda Cai:

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@RebeccaRHelm

4 years

This is a big deal, but let's talk about all the reasons WHY this a big deal (not *just* that they collected lots of plastic), and how to REALLY fix this... [a thread]

High Seas Science

@RebeccaRHelm

4 years

I literally HAVE CHILLS. They just REMOVED OVER 100 TONS OF PLASTIC from the Great Pacific Garbage Patch!! All collected non-invasively for wildlife safety. WHY AREN'T PEOPLE TALKING ABOUT THIS?!

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@RebeccaRHelm

3 years

Soooo...I made a thread of awe-inspiring sea life. Please enjoy. (📽️ Marcelo Johan Ogata ) #DailyJelly

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@RebeccaRHelm

4 years

Ok folks, the world is getting heavy right now, so share something you saw that made you smile/laugh or gave some you some hope for humanity. I'll start: little lumpfish being 100% lumpfish. 🎥 #DailyJelly

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@RebeccaRHelm

3 years

This is the angled sunbeam (Curetis acuta) "when it gets angry or surprised, it instantly pops out a pompon (?) From the two protrusions on its butt and swings it around" Original Tweet in Japanese by @wasabi_imoimo :

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@RebeccaRHelm

1 year

And their predators, the blue sea dragons, who eat man-o-war and steal their stinging cells. Covering their bodies in armor made from the weapons of their vanquished prey…

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@RebeccaRHelm

1 year

EXTREMELY RARE video of the elusive box jellyfish Chirodectes. Larger than a soccer ball, this jelly is an ocean mystery. This video is one of the only in existence, filmed off Papua New Guinea in 2021. Happy #WorldOceanDay ! 📽️Scuba Ventures Kavieng

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@RebeccaRHelm

4 years

Blue button jellies—called Porpita—are the size and shape of daisies. They float on the open ocean's surface, grow a garden of algae within their bodies (like corals), & twinkle their tentacles like stars. 🎥 Lawrence Scheele #DailyJelly #TimelineCleanse

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@RebeccaRHelm

4 years

DENNIS!! from:

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@RebeccaRHelm

2 years

CAN YOU SEE THE BEATING HEART? Blue sea dragons float on the ocean's surface & have blue bellies & white backs. This is called countershading: blending in with the sea from above & the sky from below. Their white backs make it easy to see their beating heart 🤍 #HighSeasLife 🎥me

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@RebeccaRHelm

4 years

Lumpfish are very bad at social distancing. It's ok lumpfish, you are probably safe ❤️ (BONUS: Do you know who took this video?! The original youtube channel has been taken down. I saved a copy in my "happy things" folder. The filmer deserves all the love/credit they can get!)

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High Seas Science

@RebeccaRHelm

3 years

Even though they start life no bigger than a small seed, the giant ocean sunfish (Mola mola) can eventually grow to 3.3 Bernies long!

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