Reposted by McGill BiologyMassimo (mirror) @rainmaker1973-m.bsky.social · 30/09/2026The Skeleton Panda Sea Squirt (Clavelina Ossipandae) is a translucent reef-dwelling creature whose rib-like structures and panda-like markings give it a spooky, animated look. Found in Southeast Asia, it harmlessly filters seawater and helps keep coral ecosystems healthy. Original post 31765180
Reposted by McGill BiologyDAPPER DON DHARSHI @dapperdondharshi.bsky.social · 25/09/2026A marine biologist films this octopus changing colors while dreaming and it’s spectacular 18355841204
Reposted by McGill BiologyMcGill Science @mcgillscience.bsky.social · 25/09/2026By comparing variations in the colour of the coats of the eastern grey squirrel in Montreal city parks, researchers found that hyper-local conditions appear to play a bigger role in determining wildlife traits than had been thought. Learn more about this McGill-led study ➡️ mcgill.ca/x/5zd 034
Reposted by McGill BiologyPLOS Biology @plosbiology.org · 25/09/2026A long-standing mystery in #neuroscience is how the length of myelin sheaths are matched to the axons they wrap. Marie Bechler &co show that #oligodendrocytes use Piezo1 to sense axon diameter and locally control sheath elongation 🧪 #NeuroSky buff.ly/9HdgiHt 0218
Reposted by McGill BiologyMelanie D. White @melaniedwhite.bsky.social · 25/09/2026Happy #FluorescenceFriday from the UQ Institute for Molecular Bioscience where the fluorescence is real and the embryos are keeping a watchful eye 👀. Imaged by the entirely human @vanderspuy.bsky.social 🔬 👩🔬 0213
Reposted by McGill BiologyAnh Hoang Le, PhD 🏳️🌈🏴🇻🇳 @anhhle2702.bsky.social · 25/09/2026Happy #FluorescenceFriday. The first time I imaged a 🐸 embryo, I didn't realise they had these ciliated cells on the outer surface. So you can imagine how surprised and curious I was! These cilia are similar to those found in the human airway. And yes, this is just a good old confocal + 🔥LUT! 59822
Reposted by McGill BiologyJorge Ferreira @jorgeferreira.bsky.social · 25/09/2026Don´t know yet what you´ll be doing next April? Why not join us for a great meeting in Porto? Registration for Forces across scales is now open! meetings.embo.org/event/27-for...meetings.embo.orgForces across scalesThis EMBO Workshop on Forces Across Scales will provide an integrative perspective on mechanobiology, a rapidly advancing field that examines how mechanical forces shape biological systems across mol… 01921
Reposted by McGill BiologyCells & Development @cellsdev.bsky.social · 25/09/2026We heard through the vines that #cilia are hot (or not?) right now so here is a cool article by the Saxena lab about how Notch signalling inhibit zebrafish olfactory multiciliated cells differentiation 🐟 AND we got a cool movie with it too! #FluorescenceFriday www.sciencedirect.com/science/arti... 3328
McGill Biology @biomcgill.bsky.social · 24/09/2026New: Working with European starlings, Sereena Moore (Guigueno Lab) & her team found that the insecticide chlorpyrifos disrupted cell proliferation in a brain region important for spatial cognition & migration, the hippocampus. The article (open access) can be found here: doi.org/10.1016/j.ec... 013
Reposted by McGill BiologyAstrobiology @astrobiology.bsky.social · 23/09/2026astrobiology.com/2026/09/23/h... #astrobiology #microbiology #extremophile #AwayTeamastrobiology.comHot Spring Organism Breaks Record For Heat Tolerance Of Complex LifeA tiny, single-celled organism can thrive at temperatures that would kill all other known complex life. 0133
Reposted by McGill BiologyGary McFarlane @garym6942.bsky.social · 23/09/2026Two new large stick insect species have been identified by Australian researchers, in a discovery they say illustrates how little we still understand about insect diversity. www.theguardian.com/australia-ne... #entomology #biology #science #wildlife #SciChattheguardian.comDiscovery of new Australian stick insect species reveals case of mistaken identityNew study describes two species, Anchiale robusta and Anchiale mabiensis, both found in far north Queensland 031
Reposted by McGill BiologyGiovanni D’Angelo @giodang.bsky.social · 23/09/2026#lipidtime: It's a lipid universe. Today in Nature we publish the Lipid Brain Atlas, the first map of membrane lipid composition across the entire mouse brain, a layer of organisation that cell-type and transcript maps had left out. #lipidomics #neuroscience #BrainAtlas 1011752
Reposted by McGill BiologyTara Calishain @researchbuzz.bsky.social · 20/09/2026#birds #feathers #books #GLAM 'This unique object contains 156 illustrations made from feathers and other organic materials, including approximately 100 bird depictions incorporating beaks, feathers and feet.' www.mcgill.ca/newsroom/cha...mcgill.caHistory, art and science join forces to unlock the mysteries of a 400-year-old bookA major grant will enable McGill University Libraries to delve into the Libro di Piume, or Feather Book, an exceptional artifact created in Italy more than 400 years ago. This unique object contains 1... 021
Reposted by McGill BiologyVeronica Groves (she/her) @veronicagroves.bsky.social · 19/09/2026Great work by @ivanakomendic.bsky.social and mentee (and now MSc student at MUN) Nora Hand-Lennon 031
Reposted by McGill BiologyAndrew Hendry @ecoevoevoeco.bsky.social · 15/09/2026How can you use repeatability to infer LOCAL selection - check out our new paper in Molecular Ecology. "The Spatial and Temporal Repeatability of Genomic Responses to Natural Selection ..." onlinelibrary.wiley.com/doi/10.1111/... 0136
Reposted by McGill BiologyAndrew Hendry @ecoevoevoeco.bsky.social · 16/09/2026Maybe you have heard about our Alaska stickleback introduction experiment? You might want to apply for our multi-PI freshwater science postdoctoral position. The video below is of one of our source lakes for the intro. scasscsa.mcjobboard.net/jobs/235865 11815
Reposted by McGill BiologyWeberLab@McGill @weber-lab.bsky.social · 21/09/2026🚨We're hiring!!🚨 @biomcgill.bsky.social is looking for a Quantitative Cell Biologist to join our diverse and interdisciplinary community. Please share this ad broadly, and reach out if you have any questions. mcgill.wd3.myworkdayjobs.com/en-US/McGill...mcgill.wd3.myworkdayjobs.comAssistant Professor in Quantitative Cell Biology - Department of BiologyPlease refer to the How to Apply for a Job (for External Candidates) job aid for instructions on how to apply. If you are an active McGill employee (ie: currently in an active contract or position at ... 02724
Reposted by McGill BiologyMatteo Carandini @carandinilab.net · 18/09/2026Baby jellyfish are adorable: www.nikonsmallworld.com/galleries/20...nikonsmallworld.comJellyfish larvae suspended in water droplets | 2026 Small World in Motion CompetitionBenedikt Pleyer - Jellyfish larvae suspended in water droplets 011
McGill Biology @biomcgill.bsky.social · 15/09/2026McGill has a productive group of freshwater scientists working on fish & invertebrate ecology, evolution, invasive species, ecotoxicology and global change. We are looking for a postdoctoral fellow that can forge new collaborations among us. See our job ad here: scasscsa.mcjobboard.net/jobs/235865scasscsa.mcjobboard.netPostdoctoral Fellow in Freshwater ScienceThe GRIL node at McGill University comprises seven aquatic scientists (see below) that span a broad range of expertise; we are advancing knowledge regarding landscape-scale processes, long-term change... 0913
Reposted by McGill BiologyGoutham @kodakandlag.bsky.social · 11/09/2026Like stars in the night sky 😍 #FluorescenceFriday but make it live cell calcium imaging 0225
Reposted by McGill BiologySchmidt Ocean Institute @schmidtocean.bsky.social · 10/09/2026Squid vibes: #DeepWonders science team encountered this cutie at 1,045 m. They marveled at the specialized cells in their skin, chromatophores — these tiny sacs that contain pigment. As a squid relaxes & contracts its muscles, it reveals or hides pigment for camouflage or communication. 010029
McGill Biology @biomcgill.bsky.social · 09/09/2026A photo by Anthony Zerafa won the Flora & Fungi category in the 2026 Canadian Wildlife Photography of the Year competition. Shown below: Scheuchzer’s cottongrass — known in Inuktitut as kanguujat (“what looks like snow geese”) on Axel Heiberg Island, Nunavut: canadiangeographic.ca/articles/ann... 020
McGill Biology @biomcgill.bsky.social · 09/09/2026What happens when populations are continually exposed to extreme & dynamic environments? Do they show the same genomic responses over space & time? Hickox & collaborators incl Profs. Andrew Hendry & Rowan Barrett demonstrate repeatability of natural selection. onlinelibrary.wiley.com/doi/10.1111/...onlinelibrary.wiley.comThe Spatial and Temporal Repeatability of Genomic Responses to Natural Selection as Demonstrated in Stickleback Populations Experiencing Highly Dynamic EnvironmentsThe evolution of genotypic parallelism under shared environmental conditions provides strong evidence for the role of natural selection. However, analyses typically examine genomic signatures of sele.... 000
McGill Biology @biomcgill.bsky.social · 09/09/2026Jory Griffith (Biology MSc graduate) and supervisors Anna Hargreaves & Jennifer Sunday published a paper in PNAS, in which they showed that the global latitudinal diversity gradient is 3 times weaker in cities compared to natural areas: www.pnas.org/doi/10.1073/... 000
Reposted by McGill BiologyMcGill Alumni @mcgillalumni.bsky.social · 09/09/2026🎙️ Can universities solve the climate crisis? Rees Kassen, academic director at the McGill Sustainability Park, and Grégoire Baillargeon, president of BMO Quebec, discuss the challenges facing us, and why they require an all-hands-on-deck response. Stream ‘Mark my words’: [link]. 011
Reposted by McGill BiologyMassimo (mirror) @rainmaker1973-m.bsky.social · 14/08/2026This microscopic freshwater organism, Limnias malicerta, is a rotifer, recognized by its rotating wheel-like structures. It uses spinning cilia on its head to swim and capture tiny food like algae and bacteria. Original post 45712
Reposted by McGill BiologyMcGill University @handle.invalid · 04/09/2026Jérôme Dupras, the Chief Scientist of Québec, visited McGill this week to meet with researchers, tour the Sustainability Park, and learn more about D2RMcGill and CIRMMT. 🎸 Our special guest also shared some musical talents - can you guess the popular Québécoise tune he played? 095
Reposted by McGill BiologyMcGill University @handle.invalid · 27/08/2026Backed by a historic federal investment, McGill has recruited six Eddie Goldenberg Research Chairs of Canada. These globally renowned experts are coming to Canada to tackle pressing challenges, make discoveries, and advance innovation here at home. 0811
McGill Biology @biomcgill.bsky.social · 21/08/2026Gedig & Fussmann show how higher methane in nutrient-enriched lakes may promote growth of certain phytoplankton (incl blue-green algae) & alter ecosystem function. Increased methane uptake from human activities can thus have fundamental impacts on lake ecosystems: iopscience.iop.org/article/10.1...iopscience.iop.orgThe effect of elevated dissolved methane concentrations on freshwater phytoplankton: a mesocosm studyThe effect of elevated dissolved methane concentrations on freshwater phytoplankton: a mesocosm study, Gedig, Daniel P, Fussmann, Gregor F 034
Reposted by McGill Biologyvoigtvision.bsky.social @voigtvision.bsky.social · 20/08/2026🤩 It's time for some invertebrate eye candy! 🤩 Here's a ctenophore (or comb jelly) stained with phalloidin by John Alexander Salazar Hernandez & imaged on an exaSPIM built by Kaelin Wulf of the team of @adamkglaser.bsky.social as part of the FHL Functional Biodiversity course #microscopy 213732
Reposted by McGill BiologyStacey Ogden 🦔 @labogden.bsky.social · 14/08/2026Happy #FluorescenceFriday! This is how I imagine Vincent van Gogh would paint cells of the developing lung 👨🎨🫁 Image rendered from a micrograph of developing alveoli of a neonatal 🐭 Fluorescent proteins mark cell membranes and nuclei 🔬 by postdoc @christinaadaly.bsky.social 1316
Reposted by McGill BiologyScience Magazine @science.org · 12/08/2026These microscopic animals fight off infection using genes “stolen” from bacteria. Learn more: scim.ag/4xEx6Jb #ScienceMagArchives 1347
McGill Biology @biomcgill.bsky.social · 11/08/2026In a new paper, Cortés & Larsson describe the exceptionally rich fossil record of the Lower Cretaceous Paja Formation of Colombia. Its food web reached 7 trophic levels! The authors use this case to describe a novel macroecological pattern: a Biotic Inflection. www.frontiersin.org/journals/eco...frontiersin.orgFrontiers | The Paja Formation of Colombia records uniquely high biodiversity during a biotic inflection in an Early Cretaceous Gondwanan marine ecosystemRegions of high biodiversity are classically defined as regions of high species richness, endemism, and ecological innovation, yet their conceptual and empir... 013
McGill Biology @biomcgill.bsky.social · 11/08/2026Prof. Rees Kassen published a paper that sketches a functional theory of adaptation, building off results of microbial evolution experiments. It's about being able to grow in the presence of stress, which usually involves mutations to high-level regulatory processes. Read: doi.org/10.1093/gbe/...doi.orgToward a Functional Genetics of Adaptation: Insights From Microbial Experimental EvolutionAbstract. A general theory of adaptation is one that accounts for both the quantitative and functional properties of adaptive evolution. To date, the field 030
McGill Biology @biomcgill.bsky.social · 11/08/2026A recent paper by García-Elfring, Paccard & Barrett documents genomic differentiation between marine & freshwater threespine stickleback populations across Atlantic Canada, revealing signatures of parallel adaptation despite differences in population history. Read the paper: doi.org/10.1093/gbe/...doi.orgGenomic Patterns of Parallel Divergence Across Demographically Heterogeneous Stickleback Populations in Eastern CanadaAbstract. The threespine stickleback (Gasterosteus aculeatus) is a key model in evolutionary genetics, particularly for studies of parallel evolution, yet 034
Reposted by McGill BiologySchmidt Ocean Institute @schmidtocean.bsky.social · 30/07/2026Enypniastes eximia, a deep-sea sea cucumber recorded at 1095 m during #DeepWonders expedition. We see how this graceful gelatinous gem earned the nickname Spanish dancer. Look how their tubefeet glide across the seafloor, scooping up nutritious marine snow as the animal swoops up into the water. 210528
Reposted by McGill BiologyWeberLab@McGill @weber-lab.bsky.social · 27/07/2026Excited to see this project finally come together 🥳 I used the timing of nucleolar assembly at the 8-cell stage as an assay for concentration-dependent phase separation (doi.org/10.1016/j.cu...), but could never explain why they don't appear at the 4-cell stage. Now we know!! 🤓doi.org 1113
Reposted by McGill BiologyCanadian Journal of Fisheries and Aquatic Sciences @cjfas.bsky.social · 16/07/2026How are zebra mussels, water chemistry, and native unionids connected? Brielle Comartin & Anthony Ricciardi report on the impacts of biofouling in a lake with suboptimal calcium concentrations ➡️ ow.ly/pSNe50ZfXmr 📊: Comartin & Ricciardi, Fig. 6 | cjfas-2025-0135 044
Reposted by McGill BiologyMcGill University @handle.invalid · 22/07/2026🏆 Montreal named #1 student city in Canada and top 20 worldwide We're proud to call one of the continent's top-ranked student cities home. From innovation and culture to exceptional student experiences, Montréal helps make McGill a destination for talent from around the world. mcgill.ca/x/5XA 043
Reposted by McGill BiologySchmidt Ocean Institute @schmidtocean.bsky.social · 22/07/2026Opisthoteuthis, or flapjack, a genus of cirrate octopuses observed at 1,040 meters during the #DeepWonders expedition with @divaamon.bsky.social. Using their umbrella-like body shape, they coast through the water. Their fins help guide their way (despite looking like large floppy ears). 15569141
Reposted by McGill BiologyAndrew Hendry @ecoevoevoeco.bsky.social · 23/07/2026Urbanization and melanism in squirrels In Montreal, well, it's complicated Check out the new paper in @animalecology.bsky.social led by Francis Dinh - who was an undergrad in Biology (@biomcgill.bsky.social) at McGill U (@mcgillscience.bsky.social) when he did the work @mcgillumedia.bsky.social 1145
Reposted by McGill BiologyKirsty Wan @micromotility.bsky.social · 21/07/2026Do #tintinnids dream of electric sheep? 🤯 Here is a single cell capable of building a lorica and living inside it for protection... it also swims, feeds, hunts Can even detect and habituate to mechanical cues! #celllearning #protistsonsky #cilia Read more in our preprint doi.org/10.64898/202... 412537
Reposted by McGill BiologyLars L. Iversen @lifeinmud.bsky.social · 21/07/2026We are recruiting a PhD student in our lab at @biomcgill.bsky.social Please apply if you are interested in #freshwater #biodiversity and/or #insect #ecology 021
Reposted by McGill BiologyVeronica Groves (she/her) @veronicagroves.bsky.social · 21/07/2026@tjcolvin.bsky.social and I hosted the 2nd annual @afsquebec.bsky.social #iNaturalist BioBlitz this past weekend documenting underreported aquatic #biodiversity in the St Lawrence & Ottawa rivers. Thanks to support from #BlitzTheGap @biomcgill.bsky.social ! 🐌🐟 065
Reposted by McGill BiologyGenome Biology and Evolution @genomebiolevol.bsky.social · 17/07/2026García-Elfring, Paccard & Barrett find that freshwater-associated differentiation in Atlantic Canadian stickleback occurs across contrasting demographic contexts and suggest a role for neurological and behavioral pathways in adaptation @biomcgill.bsky.social 🔗 doi.org/10.1093/gbe/evag083 #genomedoi.orgGenomic Patterns of Parallel Divergence Across Demographically Heterogeneous Stickleback Populations in Eastern CanadaAbstract. The threespine stickleback (Gasterosteus aculeatus) is a key model in evolutionary genetics, particularly for studies of parallel evolution, yet 076
McGill Biology @biomcgill.bsky.social · 16/07/2026www.science.org/content/arti...science.orgA molecular quirk unique to octopuses makes them better at building proteinsCertain shallow-water species carry a mutation that reduces translation errors and prevents toxic protein buildup 064
Reposted by McGill BiologyMichelle says: Be kind. Always. ❤️ @snarkysillysad.bsky.social · 16/07/2026First-ever footage of a Barreleye Fish captured deep beneath the Atlantic Ocean: #AGoodPlace Source: www.reddit.com/r/Damnthatsi... 441238293
Reposted by McGill BiologyMcGill University @handle.invalid · 16/07/2026What brings together Quebec’s top superstars in mixed martial arts and evolutionary biology? Dinosaurs of course! 🦖 Watch as Georges St-Pierre visits Prof. Hans Larsson’s lab to get an exclusive look at a brand-new dinosaur species: youtu.be/rtOYC08318Iyoutu.beNew Species of Dinosaur with Professor Hans LarssonYouTube video by GSP Podcast 013
Reposted by McGill BiologyElizabeth Beston @elizabethbeston.bsky.social · 14/07/2026A polychaete (bristle worm) trochophore (young larva) from the top down. #marineplankton 🦑 4466
Reposted by McGill Biologyc0nc0rdance @c0nc0rdance.bsky.social · 14/07/2026For Shark Awareness Day, let's learn about the epaulette shark (Hemiscyllium ocellatum), named for a large black spot on their "shoulders" that resembles a military uniform. What's probably attracting your attention is their ability to crawl on land: let's talk about 'walking sharks'. 1046296