Reposted by Johann MourierRoyal Society Publishing @royalsocietypublishing.org · 15hA new theme issue brings together research on multi-predator feeding aggregations - co-occurrences of several species of predators simultaneously exploiting the same prey resource - in ocean environments. Read: buff.ly/3PUyvRi 0134 0
Johann Mourier @sharkmourier.bsky.social · 15/10/2026New paper in @royalsocietypublishing.org Phil. Trans.R.Soc. B 🦈🌊 Our biomechanical model & field evidence reveal how shark size, buoyancy, and energy-saving opportunities in upwelling currents may shape the fine-scale distribution of shark species. Paper: royalsocietypublishing.org/rstb/article... 0146 0
Johann Mourier @sharkmourier.bsky.social · 09/10/2026Back from a workshop ANR SIOMPA near Kruger Park in South Africa. Hard work but also enjoyed exceptional wildlife. 010 0
Johann Mourier @sharkmourier.bsky.social · 09/09/2026Great review on shark nurseries! link.springer.com/article/10.1...link.springer.comCradles of the sea: a global review of shark nurseries - Reviews in Fish Biology and FisheriesConservation requires the management and protection of not only wildlife populations, but the habitats they rely on. The identification and characterization of these essential habitats is a key first ... 061 0
Johann Mourier @sharkmourier.bsky.social · 03/09/2026🐟Biodiversity isn’t only about species, genes or ecosystems It’s also about behaviour. Our new review explores why behavioural diversity in fish matters & why we need to consider variation, not just averages, when predicting responses to environmental change. onlinelibrary.wiley.com/doi/10.1111/...onlinelibrary.wiley.comBehavioural Diversity of Fishes: Concepts, Drivers and Its Role in Conservation and ManagementHuman activity has altered nearly all ecosystems on Earth, contributing to substantial biodiversity loss across taxonomic, genetic and functional dimensions, from the intraspecific to the ecosystem s... 084 0
Johann Mourier @sharkmourier.bsky.social · 02/09/2026Happy to have been part of this great collaborative work! 020 0
Johann Mourier @sharkmourier.bsky.social · 17/08/2026Our new Perspective examines gender representation across 12,000+ publications in shark & ray science Paper: doi.org/10.3389/fris... Women’s participation is growing, but progression into senior authorship remains uneven. We need diverse scientific talent for better conservation. WE CAN DO BETTER! 084 0
Johann Mourier @sharkmourier.bsky.social · 12/08/2026Peace and serenity... Nice 97% eclipse over the lagoon of Thau in Sete! 🌖 060 0
Reposted by Johann MourierDr. Aaron Thierry @thierryaaron.bsky.social · 10/08/20262003 was once exceptional. Now it's average. 2024's record will be average by the mid-2040s. The extreme summers of the 2040s don't bear thinking about! 🌡🥵😬 #ClimateEmergency After @edhawkins.org & @stottpeter.bsky.social using ERA5 + CMIP6. 17371212 0
Reposted by Johann MourierDavid Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social · 01/08/2026Global trade responses to shark finning regulations | Nature Communicationsnature.comGlobal trade responses to shark finning regulations - Nature CommunicationsThe study finds limited evidence that shark finning regulations alter global shark trade volumes. While overall effects are not significant, long-term trends suggest gradual trade shifts, including… 043 0
Reposted by Johann MourierDr Vincent Raoult @sawsharkman.bsky.social · 16/07/2026Heads up, I'm looking for one, possibly 2 PhD candidates for amazing projects! lnkd.in/p/gCrd4UNmlnkd.inCalling prospective PhD candidates! I'm pleased to announce that I'm looking for one and perhaps two PhD candidates. One will be involved with an ARC Linkage project on sea cucumbers across ...Calling prospective PhD candidates! I'm pleased to announce that I'm looking for one and perhaps two PhD candidates. One will be involved with an ARC Linkage project on sea cucumbers across the Grea... 033 0
Reposted by Johann MourierAmanda Arnold 🦈 @amandasodysseys.bsky.social · 13/07/2026We also built a free Shark & Ray MPA Explorer so researchers, managers, and conservationists can explore species-level MPA coverage for all 1,158 species. If you're interested in sharks and rays, take a look! tinyurl.com/SharkRayMPAExplorer @sfubiosciences.bsky.social @society4conbio.bsky.social 1106 0
Reposted by Johann MourierDenis REALE 🇨🇦 @denisreale.bsky.social · 19/06/2026Should the term 'personality trait' be really used in animal personality studies? With Sasha Dall and @dingemanselab.bsky.social we don't think so. We explain why in this commentary published in Animal Behaviour. www.sciencedirect.com/science/arti... 04823 0
Reposted by Johann MourierDr Vincent Raoult @sawsharkman.bsky.social · 15/06/2026A reminder to everyone: while this year's number of shark incidents seems high, it's actually nowhere near the maximum NSW has had historically. In fact, for the last 5 years, shark bite rates have been similar to what they were 20 years ago. 082 0
Johann Mourier @sharkmourier.bsky.social · 20/05/2026How cool is that! 😮 First live in situ observations of the iconic goblin shark (Mitsukurina owstoni) on a seamount near Jarvis Island in 2019 & on the slope of the Tonga Trench in 2024. Past observations are restricted to specimens hauled to the surface onlinelibrary.wiley.com/doi/10.1111/... 1182 0
Johann Mourier @sharkmourier.bsky.social · 11/05/2026Interesting! We also observed this behaviour in 2017 in French Polynesia! But we were not able to publish it. It means that this behaviour is widespread across oceans! See below our observation: 0187 0
Johann Mourier @sharkmourier.bsky.social · 11/05/2026We already observed this on several occasions in French Polynesia! 150 0
Reposted by Johann MourierRogueESR @rogueesr.bsky.social · 29/04/2026#ESR « Vous nous avez "piqué" 500 millions en deux ans », le coup de gueule du PDG du CNRS devant le Sénat. www.challenges.fr/economie/vou...challenges.fr« Vous nous avez "piqué" 500 millions en deux ans », le coup de gueule du PDG du CNRS devant le Sénat« Je ne sais pas comment mon successeur va boucler le budget l’an prochain. » Devant les sénateurs, l’actuel PDG du CNRS est revenu sur les contraintes budgétaires imposées à l’institution, malgré une... 10165120 0
Reposted by Johann MourierThe FSBI @thefsbi.bsky.social · 14/04/2026The Journal of Fish Biology is publishing a Special Issue reflecting the theme of this year’s FSBI Symposium: Breaking Siloes in Fish Biology! Now open for submissions, with papers to be made available as early view from acceptance. For further information, please visit: bit.ly/4trMdnD 012 0
Reposted by Johann MourierCurrent Biology @currentbiology.bsky.social · 27/03/2026Why can't we just get along with wild animals? Jennifer Green and Kaitlyn Gaynor introduce human–wildlife conflict in this Primer. www.cell.com/current-biol...cell.comHuman–wildlife conflictKaitlyn Gaynor and Jennifer Green introduce the many forms of conflict between humans and wild animals. 071 0
Johann Mourier @sharkmourier.bsky.social · 27/03/2026What a cool science study! All in it is interesting: the biology, the methodology and the analyses. 161 0
Johann Mourier @sharkmourier.bsky.social · 19/03/2026I would say a Smooth hound shark (Mustelus sp...) 011 0
Reposted by Johann MourierUniversité de Montpellier @umontpellier.bsky.social · 13/02/2026#Classement | Une reconnaissance mondiale pour l’Université de Montpellier au classement du TIME Magazine 2026 avec une 244e place mondiale. ecomnews.fr/news/occitan...ecomnews.frOccitanie : Une reconnaissance mondiale pour l’Université de Montpellier au classement du TIME Magazine 2026 - EcomnewsCe classement, développé par TIME Magazine en partenariat avec Statista R, vise à offrir une évaluation rigoureuse et contemporaine des universités du monde entier. Il repose sur des critères multidim... 022 0
Reposted by Johann MourierUniversité de Montpellier @umontpellier.bsky.social · 02/02/2026 #jpoUM 📅📣 J-12 | PORTES OUVERTES de l’Université de Montpellier 🗓️ Samedi 14 février 2026 📍 Tous les campus de l'UM 🎓 +600 diplômes, échanges, visites, conférences 👉 Orientation & masters au programme ! 🔗 + d'infos : www.umontpellier.fr/agenda/journ... 032 0
Johann Mourier @sharkmourier.bsky.social · 26/01/2026doesn't look like a common eagle ray on the picture... 100 0
Reposted by Johann MourierPimiento Research Group @pimientogroup.bsky.social · 22/01/2026Our new paper is online! We found that 1) today's shark & ray diversity was already reached ~100Ma; 2) that the K/Pg extinction was not catastrophic; 3) that the max diversity was reached ~50Ma; and 4) that today's diversity is depleted compared to the past. www.cell.com/current-biol...cell.comRevealing the hidden patterns of shark and ray diversity over the past 145 million yearsGardiner et al. reconstruct the diversity of sharks and rays across the past 145 million years using deep learning and an extensive dataset. Their results unveil previously hidden patterns, including ... 26029 0
Reposted by Johann MourierNick Dulvy @nickdulvy.bsky.social · 22/01/2026Sharks & rays are sentinels of ocean health. - Global abundance has been fished down by 65%, - Now 37.5% of species are threatened, - The current extinction rate is 25–250 times greater than the background fossil record, with greatest losses in tropical coastal seas. #BiodiversityTargets 11911 0
Reposted by Johann MourierNick Dulvy @nickdulvy.bsky.social · 22/01/2026New paper out today in @natrevbiodiv.nature.com by the #GlobalSharkTrends team: Bending back the curve of shark & ray biodiversity loss; Read the paper here: rdcu.be/eZ9n9 @sfu.ca @sfubiosciences.bsky.social @earth2ocean.bsky.social 29848 0
Reposted by Johann MourierIUCN SSC Shark Specialist Group @iucnshark.bsky.social · 12/01/2026NEW PAPER ALERT | Only One Percent of Important Shark and Ray Areas in the Western Indian Ocean Are Fully Protected From Fishing Pressure. Read the full paper in Ecology and Evolution here: doi.org/10.1002/ece3... #shark #ray #chimaera #ISRA #publication #biodiversity #conservation 076 0
Johann Mourier @sharkmourier.bsky.social · 10/01/2026‼️New paper‼️ Social units of the Crozet killer whales are composed of both related & unrelated individuals, with an additive mortality event from the late 1990s leading unrelated individuals that survived to associate and join social units. link.springer.com/article/10.1... 053 0
Johann Mourier @sharkmourier.bsky.social · 15/12/2025Une vidéo très complète avec le Collectif Les Argonautes dans laquelle on vous explique pourquoi un requin vivant est plus rentable à long terme qu'un requin mort. Illustrée par la réouverture de la pêche aux requins profonds aux Maldives (qui était un sanctuaire à requins). youtu.be/zmeGdN9JHOU?...youtu.beUn requin vaut-il plus mort ou vivant ? (avec Johann Mourier)YouTube video by Collectif Les Argonautes 060 0
Johann Mourier @sharkmourier.bsky.social · 04/12/2025One of the best project I have ever seen. I love this battle between the smart Oz cockatoos 🦜 and human 🚶♂️about bins 🚮! It seems that this arm race is unlimited and will give scientists work for a long time 😄 It also give me great souvenirs of my year spent in Sydney! 070 0
Johann Mourier @sharkmourier.bsky.social · 27/11/2025I will do! I am now also tracking using high-resolution telemetry some small fish species such as damselfish or Mediterranean rainbow wrasses. 100 0
Reposted by Johann MourierWildlife Conservation Society @wcs.org · 27/11/2025Historic victory for sharks: #CITESCoP20 Parties voted to list oceanic whitetip sharks on Appendix I, the highest level of protection offered by CITES. “Today’s decision is a watershed moment for all sharks and rays,” said WCS’s Luke Warwick. 🌏 Read more: bit.ly/4olha9wnewsroom.wcs.orgHistoric Victory for Sharks as Oceanic Whitetips Upgraded to Appendix I at CITES Banning International TradeSamarkand, Uzbekistan, Nov. 27, 2025 – CITES CoP20 Parties voted to list oceanic whitetip sharks on Appendix I, the highest level of protection offered by CITES. The vote marks a major victory for one... 05818 0
Reposted by Johann MourierShaun Killen @shaunkillen.bsky.social · 25/11/2025🧵1/9 There are 35,000+ fish species, but we have formal social-behaviour classifications for a tiny fraction. Most knowledge lives in the experience of researchers, fishers, divers, aquarists, naturalists, and Indigenous communities, but almost none of it is centralised. So we built ShoalBase.org.shoalbase.orgShoalBase | Join, Explore, Contribute NowShoalBase offers a global database on fish social behaviour, supporting research, conservation, and ecology through community contributions and visual data mapping. 45033 0
Johann Mourier @sharkmourier.bsky.social · 23/11/2025La bataille a fait rage entre méduses & requins. Quel vainqueur? Pour le savoir écoutez l’émission BIGBANG @franceinter.fr animée par @christophegalfard.bsky.social Méduses défendues par @billfrancois.bsky.social) & requins par moi-même, arbitré par Guillaume Nery www.radiofrance.fr/franceinter/...radiofrance.frRequin versus MéduseChristophe Galfard reçoit Guillaume Néry, champion d'apnée , le biophysicien Bill François et Johann Mourier, biologiste pour un combat Requin VS Méduse. 050 0
Johann Mourier @sharkmourier.bsky.social · 03/11/2025Shark SUPER-HABITATS : key for conservation! Habitats that include all critical activities of shark's life cycle: resting, feeding, cleaning, mating, parturition. news.fiu.edu/2025/super-h...news.fiu.eduSuper-habitats could hold key to shark conservationScientists have identified a super-habitat for reef sharks in Fakarava. The finding could have major implications for conservation. 053 0
Reposted by Johann MourierEEA2025 @eea2025.bsky.social · 29/10/2025✨ Maria shared her research on leveraging ISRA declaration into conservation action: Common Guitarfish within the Murcia Eastern Coast case study #EEA2025 052 0
Johann Mourier @sharkmourier.bsky.social · 16/10/2025It was already been reported. See this paper: micologia.uv.cl/index.php/rb...micologia.uv.clVista de Chafing behaviour from two carcharhinid shark species Carcharhinus falciformis and C. galapagensis on whale sharks Rhincodon typus Revista de Biología Marina y Oceanografía. Publication of the FACIMAR. Universidad de Valparaíso 131 0
Reposted by Johann MourierNature Ecology & Evolution @natecoevo.nature.com · 17/09/2025The number of individuals in a given space influences animal interactions and network dynamics. Here the authors identify general rules underlying density dependence in animal networks and reveal some fundamental differences between spatial and social dynamics. 🧪 www.nature.com/articles/s41...nature.comDensity-dependent network structuring within and across wild animal systems - Nature Ecology & EvolutionThe number of individuals in a given space influences animal interactions and network dynamics. Here the authors identify general rules underlying density dependence in animal networks and reveal some... 0134 0
Reposted by Johann MourierGreg Albery @gfalbery.bsky.social · 08/09/2025Celebrating the publication of our big collaborative spatial-social meta-analysis of density-dependent transmission effects, out now in Nature Eco Evo! doi.org/10.1038/s415... (or rdcu.be/eD6eB) 14522 0
Johann Mourier @sharkmourier.bsky.social · 05/09/2025Happy that my shark data contributed to this collaborative paper brilliantly led by @gfalbery.bsky.social on animal social networks. Out in @natecoevo.nature.com If density drives greater network connectedness, >80% of relationships are nonlinear (75% with saturating trends). Read: rdcu.be/eD6eBrdcu.beDensity-dependent network structuring within and across wild animal systemsNature Ecology & Evolution - The number of individuals in a given space influences animal interactions and network dynamics. Here the authors identify general rules underlying density... 1185 0
Johann Mourier @sharkmourier.bsky.social · 05/09/2025good job! do you have a link to the paper? 100 0
Johann Mourier @sharkmourier.bsky.social · 31/08/2025Our paper made the cover of the journal Animal Conservation Shark feeding affects health and female reproductive investment in blacktip reef sharks from French Polynesia zslpublications.onlinelibrary.wiley.com/doi/10.1111/... 3514 0