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Happy to say that the last paper from my #PhD has been published 🥳 A story about the impact of #MHW on the #physiology of a #coralreef #snapper 🌡️🐟🪸 doi.org/10.1093/conphy…

Happy to announce the publication of the first chapter from my PhD!! Here we show evidence of co-gradient variation within a coral reef #fish on the #GBR across a #thermal gradient. Also, happy to announce that the article is #OpenAccess ! Jenni Donelson DOI: doi.org/10.1093/conphy…

66 million yrs ago🦕dinosaurs vanished, but what happened beneath the surface?🌊 PhD candidate Isabelle Ng investigates the evolution of reef fish diets in this new ProcB paper: doi.org/10.1098/rspb.2… w/ The Bellwood Lab, Prof Jan Strugnell, V Parravicini, & Alexandre C Siqueira 🧵(1/7)

2/🔄📚Earlier work by Alexandre C Siqueira showed that trophic ecology drives the diversification of reef fishes. But when and how did their diets diversify in the first place? This was the main question for Isabelle's 1st PhD chapter. 📃: doi.org/10.1038/s41467…

3/🧬Isabelle studied how prey items evolved across 13 families using multivariate phylo comparative methods. They capture the full spectrum of prey diversity that is consumed by a species expressed using colours: 1 prey🟰1 colour➡️mixture of colours 🟰a multivariate diet state!

4/🌍Diet diversity exploded on 2 separate occasions. One was suspiciously close to the K/Pg mass extinction event (i.e. when🦕🦖 went extinct 66 mya). Fishes filled the empty niches & diversified their diets. The 2nd was during the Eocene…But what had happened then?

5/🦴🐟The Eocene was a busy time. The Bellwood Lab suggests that this period was the birth of modern reef fishes. Based on key trophic innovations – small powerful jaws that bit the reef. This likely led to the 2nd dietary expansion. 📷📃: doi.org/10.1007/BF0162…

6/ So, what was the role of diets in the evolution of reef fishes? ⌚Chronologically: Mass extinction rebound event = Ecological opportunities➡️Diet diversification➡️Rise of families➡️MORE Diet diversification➡️Species diversification & Trophic group➕functional innovations

7/ 🐠🍽️TLDR; Diets were foundational! The evolutionary rise of diets at the end-Cretaceous & -Eocene laid the groundwork for the diversity, trophic ecology, and functions in reef fish species today. Find the📑here: doi.org/10.1098/rspb.2… Royal Society Publishing James Cook Uni CSE @JCU 🧵🔚

Did you ever wonder whether #birds use or depend on #coral reefs? Or if birds might be affected by coral bleaching? Our new paper w Víctor Huertas Nicholas James + Chia Miin Chua develops novel framework + reviews evidence: onlinelibrary.wiley.com/doi/10.1002/ec… #CoralReef #seabird #fishes

Incredible first PhD chapter, Isabelle Ng! Great to see it out and what wonderful shots too🤩 check out 👇 for some great fishy science 🐠

New publication by Sam Degregori: We show a similarity between coral reef fish and mammalian gut microbiomes, driven by carnivory and herbivory. Gut microbiomes may be shaped by dietary preferences across the vertebrate tree of life. doi.org/10.1111/mec.17…

Looking to do a PhD? Interested in climate change and marine heatwaves? Fascinated by mesophotic reefs? If you answered yes to all these questions then we have the perfect project for you! For more information check out this link or send me a message. utas.edu.au/research/degre…

Curious about what I've been working on for the last 3+ years? Tune into my PhD Pre-Completion seminar on Tuesday 15 Oct. at 10am AEST! 🐠🐟🦈 DM for Zoom link 🔗

Ever since Charles Darwin, scientists have assumed species facing the same problem often evolve similar traits. But that’s not always the case. Isabelle Ng Alexandre C Siqueira Edith Cowan University (ECU) James Cook Uni theconversation.com/we-study-plank…

When thinking of the 'model' planktivore on reefs, fusiliers come to mind – their fusiform bodies and large eyes seem built for the job. But are these traits common among most plankton-feeding reef fishes? 🐟 🔗 The story is more nuanced than we thought: doi.org/10.1007/s11160…

If you’re looking for a bite-sized summary of what we found, check out the article we wrote for 🗨️ The Conversation 👇 theconversation.com/we-study-plank… 🔴The Conversation - Australia + New Zealand

🔗 Published in Reviews in Fish Biology and Fisheries: doi.org/10.1007/s11160… Thank you to my amazing co-authors/supervisors: The Bellwood Lab, Prof Jan Strugnell, Sergio R. Floeter, and Alexandre C Siqueira Reef Function Hub James Cook Uni Edith Cowan University (ECU)

Congratulations to five emerging Australian scientists who are the recipients of the Academy's J G Russell Award! 🎉The funding will help with costs involved in experimental research and can be used towards equipment, maintenance and travel. The talented early-career scientists

1/12 🚨🚨🚨 New paper in Science Magazine Science Advances! We demonstrate the hidden, recent origins of reef fish diversity in the Miocene by leveraging genome-wide data to reveal the evolutionary history of wrasses, parrotfishes, and relatives! #science science.org/doi/10.1126/sc…