Fredrik Jutfelt 🐠 @FredrikJutfelt Twitter profile

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Fredrik Jutfelt 🐠

8 months

Our new encyclopedia chapter Effects of Climate Warming is out! It’s a broad review covering acute and chronic effects of warming on fish physiology. I’ll break it down below. @rasmusern @LeeuwisRobin @Timothy_D_Clark

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Nobel prize laureate Gregg Semenza in big trouble. Photoshopped western blots and other serious issues in about 30 papers. I’m so tired of data fabrication!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Authors, place your figures where they appear in the results section. NOT at the end of the manuscript. Thanks/ reviewers everywhere

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Sweden democrats: “helg seger” Swedish liberals: We can work with this, at least they’re not social democrats

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

@ClareStawski

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Fredrik Jutfelt 🐠

@FredrikJutfelt

1 year

This baby!

John P. Friel, Ph.D.

@friel

1 year

Hey #FishTwitter , weirdest fish anatomy you can think of, go.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

8 years since we first realised the data in many papers were non-biological. It’s a relief that the investigation concluded scientific misconduct and data fabrication in several papers.

Star marine ecologist committed misconduct, university says

Finding against Danielle Dixson vindicates whistleblowers who questioned high-profile work on ocean acidification

www.science.org

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

Here is the full video of bat cuteness. You may want to sit down.

Baby fruit bat on northern Borneo

Evil night demon terrorising marine biologists

vimeo.com

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Fredrik Jutfelt 🐠

@FredrikJutfelt

5 years

Our new paper in @nature shows that ocean acidification doesn’t impair the behaviour of of coral reef fishes. I’ll break it down below. @Timothy_D_Clark @graham_raby @dom_roche @binsan5 @invivoexvivo @FredrikJutfelt @Josefin_Sundin

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

I will announce a PhD position in a few weeks on thermal physiology of fish. Let me know if you're interested.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

📢 PhD position announcement 📢 Fully financed PhD student position in fish ecophysiology. Thermal acclimation and adaptation in fish, physiology and evolution. Great university, great salary, great team! Please retweet! More info and application:

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Some people say our lab logo is unprofessional and ugly. We say it’s creative and beautiful! Like if you agree with us. Retweet if you agree with the haters.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

We found massive apparent data duplications behind some fish ecology papers and we have requested investigations. Read the full story in @ScienceMagazine

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

Invertebrate heaven! Trondheim, Norway. #MarineInvertebrates

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Fredrik Jutfelt 🐠

@FredrikJutfelt

1 year

📣I will soon announce two fully funded PhD positions in fish ecophysiology at @goteborgsuni @Naturvetenskap . Start date late this year and I’ll post announcement here. Tell your friends! 📣

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

@bourgeoisalien They are cute as kids but really emo as teens

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

Thor is dropping the aurora hammer right now!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

Ooh shiny! New zebrafish systems installed ☑️

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

I’m super happy that my underwater photo was chosen by @ScienceMagazine as one of their favourites for 2021! 🥳 @ScienceVisuals

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

What I wonder when I hear about cases like this is how many early career researchers tried to blow the whistle but were quietly removed from science during this. These are the people who needs to be heard now. @GAViglione

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Fredrik Jutfelt 🐠

@FredrikJutfelt

10 months

@ResearchGate @MDPIOpenAccess Pleased to promote predatory publishers? Really?

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Fredrik Jutfelt 🐠

@FredrikJutfelt

8 months

When you can’t access your own paper

Fredrik Jutfelt 🐠

@FredrikJutfelt

8 months

Can anyone access my paper and send it to me please 🙏

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Super happy that our group is awarded an @ERC_Research Consolidator grant! I'm so grateful to my students and collaborators! We will study the mechanisms of evolutionary adaptation to warming in fish, more below. @NTNU @AnneBorgNTNU

NTNU researcher wins ERC Consolidator Grant

The EU has awarded two million euros for research on how animals are coping with climate changes.

norwegianscitechnews.com

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Just found these amazing illustrations of tropical fishes from 1754! Here a clown triggerfish, Picasso triggerfish and some fish food.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Here’s the write up: @schneiderleonid

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

Please be warned that you can find most scientific papers here for free: If these links stop working, don’t look for proxies here:

Sky News

@SkyNews

3 years

Police warn students and universities against using 'the Pirate Bay of science'

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Fredrik Jutfelt 🐠

@FredrikJutfelt

1 year

Why do fish die when it gets too warm? What mechanisms limit their upper thermal tolerance? Read our new review in Physiology to find out! (long 🧵) @rasmusern @AnnaHAndreassen @Tobias_Wang_AU @physiol_journal @APSPhysiology @APSPublications @APS_CEPS

Physiological Mechanisms of Acute Upper Thermal Tolerance in Fish | Physiology

This review is focused on the questions of why fish exhibit heat failure at thermal extremes and which physiological mechanisms determine the acute upper thermal tolerance. We propose that rapid...

journals.physiology.org

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Happy to announce a new PhD position! Fish ecophysiology with flexibility in the project. Fully funded, good salary, great university! Please retweet Apply here: @NTNUNaturalSci @NTNU

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

You know academia has problems when it’s impossible to tell this satire from real opinions of professors

Tim Gill

@timgill924

3 years

Grad Students: You NEED to publish. But you NEED to do so in top journals. I routinely see grad CVs with 4-5 publications, but in small journals. And I think… Great, but they must have a small mind. One publication at a top journal is far better than five in low-impact venues.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

9 months

Happy to announce two PhD positions in fish ecophysiology 📣 Fully funded, fun fish temperature physiology, supervision by me, @shaunkillen , @NPilakouta ! @Naturvetenskap Please spread the word 🙏

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Fredrik Jutfelt 🐠

@FredrikJutfelt

1 year

🧵 with beautiful fish I met in French Polynesia. 1. The endangered Napoleon wrasse (Cheilinus undulatus). The largest wrasse at 2m, beautifully patterned, gently cruising with its big pectoral fins flapping.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

The Norwegian system for classifying scientific publishing introduces "level x" for predatory or questionable journals. That means some @MDPIOpenAccess journals such as @Sus_MDPI won't count for scientific publication points.

Samme uke som forskernes artikkel ble publisert, endte tidsskriftet på gråsoneliste

13 vitenskapelige tidsskrifter er klassifisert som «tvilsomme» av Det nasjonale publiseringsutvalget. Bjørn Jæger har nettopp publisert i ett av dem. Han hilser «nivå X» velkommen.

www.khrono.no

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

Science FTW!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

So apparently I’m a member of the The Royal Norwegian Society of Sciences and Letters now

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

Fascinating new paper showing a huge colony of large nesting icefish in Antarctica! #fishsci @seabedbiologist @AWI_Media @AWI_de

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

How cool are these school busses!

Brent Toderian

@BrentToderian

4 years

These Dutch “bicycle buses” are transporting 50+ kids getting the kind of exercise that leads to better learning, who DON’T need to be driven & dropped off by parents adding lots of local car traffic. Nijmegen, NL video via @MartijnLi HT @urbanthoughts11

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Two permanent positions as associate professors in animal physiology at my department will be posted soon. Drafting announcements 😀 Stay tuned!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Norwegian minister for higher education fires the Research Council of Norway board, cuts grants and stops new grant announcements. This is a major scandal that will hurt Norway for years! @jonasgahrstore

Foreslår store kutt i Forskningsrådet: Vil stoppe utlysninger, kutte i prosjekter og avslutte sentre

Forskningsrådet har sett på hvilke kutt som er nødvendige hvis negative avsetninger skal komme i pluss innen utgangen av 2023. I dag presenterer administrerende direktør Mari Sundli Tveit en kuttli...

www.forskerforum.no

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Pro tip: Photoshopping your colleague out of a group photo doesn't instill confidence in your science.

Melanie During, MSc. ⛏🦕🦖🦩🍉

@MelanieDuring

2 years

@Palaeo3D @WryCritic @PerAhlberg1 Reminds me of when Robert shared photo's from the field in 2017 last year and photoshopped me out of them:

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Fredrik Jutfelt 🐠

@FredrikJutfelt

5 years

Read as a kid about hammerhead sharks in my grandfathers old book and couldn’t believe how weird they looked. Been diving all over the world without seeing one. Today I finally saw them! So happy! #freediving #hammerhead

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

The beer might be expensive here but they have cod on their bills so all is forgiven.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Time to hire a marine biologist for a little fact checking @WWF @WWFnews ?

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Fredrik Jutfelt 🐠

@FredrikJutfelt

5 months

📣 Listen up! The new book is out! 📣

Todd Gillis

@tegillis

5 months

The Encyclopedia of Fish Physiology (2nd edition) is now published. This represents the efforts of over 320 authors from around the world, 12 Section Editors; and Prof @Aldermanlab and I as the Co-Editors and Chief. 1/5

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

@Blackmudpuppy I’m guessing no. Intestinal luminal pressure in whales is probably similar to other large mammals so no reason for them to have very strong sphincters. Relatedly, seabirds sometimes pass through whale guts undigested.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

@helifliMorten Bad Photoshop. No cherry tree in the middle of the road.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

Postdoc position to work with me on thermal performance in fish.

Postdoctoral researcher on thermal biology in zebrafish (206900) | NTNU - Norwegian University of...

Job title: Postdoctoral researcher on thermal biology in zebrafish (206900), Employer: NTNU - Norwegian University of Science and Technology, Deadline: The application deadline has passed

www.jobbnorge.no

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

Take that @shaunkillen @FishConGen . Ok I admit it was desperate to resort to cute furry mammals, but I still consider it one point.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Experiments and field work up and running at @criobe_pf , Moorea. What a place!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

1 year

Big thermal evolution experiment ongoing! #zebrafish

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

Came across this curious lobster while freediving today. Rare to see them out for a stroll during the day like that. #freediving

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Academics forced to work from home. Will we see a big surge in paper submissions over the coming weeks?

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Midnight in Trondheim

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

@mae_eccc @schneiderleonid @MicrobiomDigest I don’t think second chances after being caught fabricating data are deserved in science.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

Please publish your negative results people. Editors and reviewers have a role to play here too, support publication of negative results.

Olmo van den Akker

@DenOlmo

6 years

Publication bias in action! Unpublished studies (in red) have large sample sizes and show no effects, published studies (in blue) have small sample sizes and show significant effects. Poster by Hilmar Brohmer at #icps19paris

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

You have no idea how much it hurts to be called out like this. I’ve spent literal years trying to correct faulty and fabricated science. To hear that people in my community think that work is a disservice to science is painful.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

@ClareStawski Yeah a couple of weeks old. Fell out of a tree and is being fed fruit. It doesn’t seem to grow very fast, should it get some supplement?

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

Ok I admit some of them are a bit wordy, predatory journal, but that’s uncalled for.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

1/n New paper out in Functional Ecology! ‘Aerobic scope protection’ reduces ectotherm growth under warming #fishsci @FunEcology

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Fredrik Jutfelt 🐠

@FredrikJutfelt

1 year

Scientific quality is about how you did it, not what you found

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

ERC interview in 36 minutes 😱

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Fredrik Jutfelt 🐠

@FredrikJutfelt

10 months

Congrats to Dr Anna Andreassen who successfully defended her PhD thesis 🥳🥳🥳! Great work @AnnaHAndreassen ! Thanks to the excellent opponents @wcepverberk and Andrea Morash! @NTNUnorway @NTNUNaturalSci

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

The temperature and oxygen manipulation experiment running smoothly now. Neat setup by @AndersJorud and Sondre!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

The Lizard Island Doctoral Fellowships program supports field-intensive research at Lizard Island Research Station by outstanding PhD students worldwide. Funding is provided for 1-3 years. 4 new fellowships for 2023. Closing date is 7 October 2022.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

📢 PLEASE RT 📢 Come join us! Two permanent associate professor positions in animal physiology!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

5 years

Out testing the new @BlueyeRobotics underwater drone tonight. It’s amazing! And I didn’t know there was so much fish in the fjord!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

1 year

A scientific #SundayFishSketch for today

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Assistant Professor position - Global Change Biology - Berkeley How do physiological, ecological, and evolutionary systems respond to forces of global environmental change?

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Fish scientists! Is there an AI system that measures the body shape of fish? Or do we still use manual landmarks? #fishsci #zebrafish #morphology

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Fredrik Jutfelt 🐠

@FredrikJutfelt

5 years

This grey nurse shark swam by yesterday at Broughton Island. Beautiful!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Say hello to my little friend the giant shovel-nose ray from heron island #FlatsharkFriday

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 months

Amazing auroras over Trondheim right now!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

5 years

Here are some Giant shovel-nose rays for your Monday morning coffee. I tried to take some serious pictures but my buddy Martin kept goofing off in the background. #heronisland

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

I’m sad to report that my title suggestion for a paper on rapid habituation to predator exposure in wrasses is getting voted down. Like if you disagree.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

1 year

Why do I study the effects of warming on fish? Because of this: world’s ocean surface temperature hits record high

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

The Norwegian University of Science and Technology announces 43 PhD positions for interdisciplinary research on sustainable social change. @NTNUNaturalSci @NTNU @OceansNTNU @AnneBorgNTNU

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Fredrik Jutfelt 🐠

@FredrikJutfelt

1 year

French Polynesia under water. Wow 🤩

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Fredrik Jutfelt 🐠

@FredrikJutfelt

1 year

We’re deploying two low light cameras in the evenings to monitor prey and predator behaviours overnight. Sometimes you get nice surprises.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Here’s a pretty lady I met this weekend, a grey nurse shark (sand tiger shark). I’m sorry I made her nervous.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

@ClareStawski Thanks! I’ll tell them. It’s eating banana now with some soy milk. Didn’t like avocado apparently. It’s a tiny fruit bat but no idea of species. Cutest thing I ever saw.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Finally proper winter here in Trondheim ❄️🏔

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Interesting paper by Dahlke et al! Are we measuring thermal biology on the wrong life stages? Embryos and spawners most sensitive to warming. #fishsci @ScienceMagazine @AWI_Media @AWI_de

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Fredrik Jutfelt 🐠

@FredrikJutfelt

8 years

Fish is amazed by science

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Fredrik Jutfelt 🐠

@FredrikJutfelt

7 months

We should probably have a better look at the deep sea before we start mining it

Dr Cherisse Du Preez 🪸🐙

@CherisseDuPreez

1 year

Venting underwater volcano covered in a million giant skate eggs showcases the deep sea is awesome!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

This is amazing! A diving lizard using hydrophobic skin like diving spiders! I wonder if the surface area is sufficient for full gas exchange at rest? Can I please have some lizards for experiments?

Dr. Lindsey Swierk

@LindseySwierk

5 years

An underwater peek at our quirky Anolis aquaticus ... just look at those lizard LIPS 💋 ! #lizardprince #herpetology #puravida

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Fredrik Jutfelt 🐠

@FredrikJutfelt

2 years

Retracted micro plastics paper in Science hits another milestone with 300 citations! Expression of concern in 2016, retraction in 2017, and investigations proving it was fabricated doesn’t seem to stop citations. No signs of slowdown 🤷‍♂️ #microplastics #perchgate

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Fredrik Jutfelt 🐠

@FredrikJutfelt

7 years

Mola mola dissection at the beach in Trondheim today. This one was 206 cm fin height. Possibly my favourite fish species, fascinating and very strange anatomy! #molamola #fishsci @NTNU

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Fredrik Jutfelt 🐠

@FredrikJutfelt

5 years

Saw an impressive cuckoo wrasse courtship today so naturally I made a little video. #fishsci #teamfish #WrasseWednesday #HavetsHus

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

Our last wild-caught zebrafish has died. This champion lived a long healthy life and died at the mature age of almost six years! Oldest documented zebrafish ever?

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Fredrik Jutfelt 🐠

@FredrikJutfelt

5 years

Here’s a little cutie I met today 💙

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

Magnificent views from yesterday’s ridge traverse! #Norway #Romsdalen #Romsdalseggen #Rauma

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

For those who want to read about fraud in scientific images I recommend this important article. 20 000 papers were examined, 4% had issues: @MicrobiomDigest

Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Nobel prize laureate Gregg Semenza in big trouble. Photoshopped western blots and other serious issues in about 30 papers. I’m so tired of data fabrication!

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Fredrik Jutfelt 🐠

@FredrikJutfelt

4 years

Golden jackal found in northern Norway! Are climate induced range expansions to be treated as natural, or is the jackal an invasive species?

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Fredrik Jutfelt 🐠

@FredrikJutfelt

6 years

@Punk_Bat @ClareStawski There are no conservation groups or zoos in rural north borneo.

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Fredrik Jutfelt 🐠

@FredrikJutfelt

3 years

If there is a scientific disagreement about a topic and you favour one side, you still have to acknowledge the disagreement in your papers. You can't just pretend consensus has been reached by selective referencing.

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