Dr. Cosima Porteus

Check out our latest research on how ocean acidification affects marine sticklebacks from former postdoc Dr. Rex Yoon.
doi.org/10.1002/jez....
@utscbiology.bsky.social @utscresearch.bsky.social

You can download the planet health report here. Sombering yet hopeful news!
www.planetaryhealthcheck.org

Oceans have crossed 'safe' acidic threshold, scientists warn | CBC News The latest Planetary Health Check report says ocean acidification has reached risky territory. Experts say it will reduce our oceans’ ability to absorb the carbon we emit and also weaken the shellfish...

I was interviewed by the CBC on a new report on the state of our planet. Check it out ⬇️⬇️
www.cbc.ca/news/climate...
@utscbiology.bsky.social @utscresearch.bsky.social

Our lab was at the Toronto Zoo as part of Science Rendezvous. We had fun talking to kids and adults about the sense of smell of fish! @liamtigert.bsky.social @utscbiology.bsky.social @utscresearch.bsky.social

A fish rank showing juvenile lake white fish swimming around. Tank had a partial cover with a whole in the middle showing fish.

I'm looking for a post doc to work on the effects of CO2 and diet on lake whitefish growth and physiology in collaboration with Dr David Huyben. Term 12 months, salary 60k CAD. More info here utsc.utoronto.ca/biosci/emplo.... Deadline May 18! @utscbiology.bsky.social

Thank you!

Rose did great work in the lab! A very talented researcher! It was a pleasure mentoring and working with her!! #proudsupervisor @utscbiology.bsky.social @utscresearch.bsky.social

Emplois - Affaires universitaires

TT job in Comparative Physiology at U Ottawa. Check it out!

www.affairesuniversitaires.ca/trouver-un-e...

🍁Please repost

📣 3 tenure track positions @umanitoba.bsky.social Bio Sci. All positions are in cell and systems biology:

1 in syn bio or biochem
2 in aquatic organisms (🌿, 🐟, 🪱, …)

Genetics, dev bio, cell bio, specialized metabolism…

viprecprod.ad.umanitoba.ca/default.ASPX...

Sorry. Wrong tag!

A picture of a swim tunnel in the dark with a green laser shining through it. The chamber contains fluorescent beads used to calibrate the water velocity

Had a great time calibrating our @loligo.bsky.social fish swim tunnel today with my MSc student, Gary. Took a couple of tries but got it working! @utscbiology.bsky.social

SEB Annual Conference Antwerp 2025 Abstract submissions will open from Monday 6th January until Friday 7th March 2025

Using biologging approaches to obtain insights on animal physiology for conservation and management? Interested in new technological developments in biologging? 🐿️🐍🐟🐢🐅🐬🐘🦉🦇Join us in our symposium and workshop at the @sebiology.bsky.social conference in July! Submit your abstract to session A16.

And we made the cover of the first issue of 2025!! @jexpbiol.bsky.social @liamtigert.bsky.social @utscbiology.bsky.social @utsc.bsky.social

4) The responses were completely reversible when fish were exposed to normoxic sea water after.

3)The responses to some odorants (L-cysteine) were more affected by hypoxia than the response to others (L-Arginine)

2) mild hypoxia (50%sat) decreased olfaction just as much as more severe hypoxia!

A 🧵 about some interesting findings from our latest paper:

1)external hypoxia not hypoxaemia (internal hypoxia) causes a decrease in olfactory sensitivity in seabream
@utsc.bsky.social @utscbiology.bsky.social @liamtigert.bsky.social

journals.biologists.com/jeb/article/...

Thank you @vdisanto.bsky.social!

Great job @liamtigert.bsky.social!

Effects of hypoxia on the olfactory sensitivity of gilt-head seabream (Sparus aurata) Highlighted Article: Electrophysiology shows that low external oxygen levels can impair the olfactory sensitivity of a coastal marine fish species.

🐟 New paper out where we show that aquartic hypoxia affects the olfaction of marine fish! Work by @liamtigert.bsky.social during a @biologists.bsky.social travelling fellowship to work at CCMar with Peter Hubbard
journals.biologists.com/jeb/article/...
@utsc.bsky.social @utscbiology.bsky.social

World’s first fully 3D-printed microscope made in under 3 hours The microscope cost less than £50 to build using an open-source design and a common 3D printer

Our fully 3D-printed microscope is featured in @newscientist.bsky.social www.newscientist.com/article/2462...

A laptop showing a bell curve on top of a CO2 analyzer with various bottle around it.

In the lab 😁 finally getting around to testing a new piece of equipment - LI-COR DIC analyzer. Love the nice peak! This will support our climate change research on fish! @utscbiology.bsky.social @utsc.bsky.social Thank you to CFI for funding to buy this incredible machine!

Now that I have some followers here, figured I'd post this here too: we have an ongoing cluster hire (THREE faculty positions) in Biology at Lakehead- transformational change in the department. Will provide links to each position in a thread below, but please DM or reach out with questions (1/6)

A group of five people around a table smiling in a Mexican restaurant, one with thumbs up

A group of 5 people holding axes posing in front of 2 axe throwing lanes

The Porteus lab winter holiday outing! Delicious Mexican food at The Distillery district followed by AXE THROWING! So much fun! So lucky to have such an amazing team! @utscbiology.bsky.social @utsc.bsky.social

From 1.5C to 2C of global warming is an increase by 33.3 percent. Many people assume that the negative impacts of this would also increase by only 33.3 percent. Unfortunately, that is not the case. The increase is non-linear.
This is one of the biggest missing pieces in public climate literacy.

Welcome!!

A smiling Dr. porteus standing in front of a red brick building, her old highschool

Was so much fun going back to my old high school to talk about #oceanacidification combining #chemistry & #biology #STEMcareers #outreach @utscbiology.bsky.social @utsc.bsky.social

Action Intent Links | Bluesky Authors, websites, and apps can use action intent links to implement "Share on Bluesky" buttons, or similar in-app actions. Logged-in users will be directed to the corresponding action view in the Blu...

We strongly suggest that academic publishers and other platforms that host research rapidly implement a Share to Bluesky button for their articles. Here's how:

docs.bsky.app/docs/advance...

#AcademicSky #HigherEd #Altmetrics

November 18 is the International Day of LGBQTIA+ People in STEM! Today more than ever we want to stress the importance of communities, building connections, and raising each other up. Let's keep leaving our mark for the betterment of us all! 🏳️‍⚧️🏳️‍🌈 #QueerinSTEM

prideinstem.org/lgbtstemday/

Even worse if waiting to hear about a job in government