Nick Dulvy
@nickdulvy.bsky.social
I lift the lid on the oceans & census the life hidden beneath by combining Darwin’s toolbox–of natural history field guides, thermometer, microscope, and dissection kit–with big-data approaches @earth2ocean.bsky.social
Pinned
Nick Dulvy
@nickdulvy.bsky.social
· Dec 5
New #GlobalSharkTrends study published in @science.org reveals #overfishing has more than halved shark & ray populations over the past 50-years causing widespread erosion of ecological function and exceptionally high extinction risk
👉Full article bit.ly/GlobalSharkTrends
🧵1/20
👉Full article bit.ly/GlobalSharkTrends
🧵1/20
Reposted by Nick Dulvy
PhD position - Changing Ecological Role of Coral Reef Marine Protected Areas.
One of the new @exageo-dla.bsky.social advertised projects: www.exageo.org/phd-student-... - deadline for applications 9th January. International applications welcome.
Come and join us @lec-reefs.bsky.social
One of the new @exageo-dla.bsky.social advertised projects: www.exageo.org/phd-student-... - deadline for applications 9th January. International applications welcome.
Come and join us @lec-reefs.bsky.social
November 10, 2025 at 3:28 PM
PhD position - Changing Ecological Role of Coral Reef Marine Protected Areas.
One of the new @exageo-dla.bsky.social advertised projects: www.exageo.org/phd-student-... - deadline for applications 9th January. International applications welcome.
Come and join us @lec-reefs.bsky.social
One of the new @exageo-dla.bsky.social advertised projects: www.exageo.org/phd-student-... - deadline for applications 9th January. International applications welcome.
Come and join us @lec-reefs.bsky.social
Reposted by Nick Dulvy
A safe climate is a human right, and states have a legal obligation to respond through addressing climate change. This is a key message for #COP30.
Read more in our new commentary: www.nature.com/articles/s41...
Read more in our new commentary: www.nature.com/articles/s41...
The human right to a safe climate - Nature Sustainability
Nature Sustainability - The human right to a safe climate
www.nature.com
November 10, 2025 at 6:14 PM
A safe climate is a human right, and states have a legal obligation to respond through addressing climate change. This is a key message for #COP30.
Read more in our new commentary: www.nature.com/articles/s41...
Read more in our new commentary: www.nature.com/articles/s41...
Reposted by Nick Dulvy
How do four-eyed fish see above & underwater? 🌤️🌊 Our new preprint reveals how Anableps rewired its retina for dual vision- evolution at work 👁️👁️ Kudos to @perezlouise.bsky.social @josanesousa.bsky.social @keylapruett.bsky.social + team!
🔗 tinyurl.com/3a8r9xy5
🔗 tinyurl.com/3a8r9xy5
November 4, 2025 at 3:56 PM
How do four-eyed fish see above & underwater? 🌤️🌊 Our new preprint reveals how Anableps rewired its retina for dual vision- evolution at work 👁️👁️ Kudos to @perezlouise.bsky.social @josanesousa.bsky.social @keylapruett.bsky.social + team!
🔗 tinyurl.com/3a8r9xy5
🔗 tinyurl.com/3a8r9xy5
Reposted by Nick Dulvy
#FINS is using a multidisciplinary approach including dermal denticle analysis and proteomics to study #marineshagreen, which is a material made from the skins of sharks and rays, to explore historic elasmobranch exploitation in the early modern period #EEA2025 @rachelmwinter.bsky.social
October 30, 2025 at 7:57 AM
#FINS is using a multidisciplinary approach including dermal denticle analysis and proteomics to study #marineshagreen, which is a material made from the skins of sharks and rays, to explore historic elasmobranch exploitation in the early modern period #EEA2025 @rachelmwinter.bsky.social
Reposted by Nick Dulvy
💡 Alfonso shares his research on the understanding shark movements in coastal waters is needed as we continue to alter the marine environment. We need to ensure that our knowledge base is well developed to create good mitigation and protection policy #EEA2025
October 30, 2025 at 9:12 AM
💡 Alfonso shares his research on the understanding shark movements in coastal waters is needed as we continue to alter the marine environment. We need to ensure that our knowledge base is well developed to create good mitigation and protection policy #EEA2025
Reposted by Nick Dulvy
✨ Hettie works at #sharktrust on various projects covering angel sharks and guitarfishes in the Mediterranean. She works to restore flatshark species to robust populations: addressing fundamental knowledge gaps to maximise the potential of existing management #EEA2025
October 30, 2025 at 9:31 AM
✨ Hettie works at #sharktrust on various projects covering angel sharks and guitarfishes in the Mediterranean. She works to restore flatshark species to robust populations: addressing fundamental knowledge gaps to maximise the potential of existing management #EEA2025
Reposted by Nick Dulvy
🌊 Charlie is a philosopher who got wet and switched to elasmobranch science. My work generally concerns Bull rays around Malta, their ecology and their threats, but I enjoy delving deeper into data poor species in data poor areas #EEA2025
October 30, 2025 at 9:33 AM
🌊 Charlie is a philosopher who got wet and switched to elasmobranch science. My work generally concerns Bull rays around Malta, their ecology and their threats, but I enjoy delving deeper into data poor species in data poor areas #EEA2025
Reposted by Nick Dulvy
💡Edward presented some great research about developments in statistical tools for tracking elasmobranchs and advancing conservation
October 30, 2025 at 11:02 AM
💡Edward presented some great research about developments in statistical tools for tracking elasmobranchs and advancing conservation
Reposted by Nick Dulvy
🦈🌊✨ Interesting discussion during our fifth panel session led by Simon Dedmen and Guuske Tiktak on “New frontiers in elasmobranch data analysis” 🔬 involving a a group of researchers and experts emphasising the new technologies and opportunities for analysing elasmobranch data #sharks #rays #EEA2025
October 30, 2025 at 11:54 AM
Reposted by Nick Dulvy
🦈🌊💡Diving deeper into management and policy during our sixth keynote panel where Irene Kingma led the discussion on ”Unintended Consequences” Experts highlighted the need for clear conservation goals while avoiding pitfalls in miscommunication and mis-steps in policy/management development #EEA2025
October 30, 2025 at 1:56 PM
🦈🌊💡Diving deeper into management and policy during our sixth keynote panel where Irene Kingma led the discussion on ”Unintended Consequences” Experts highlighted the need for clear conservation goals while avoiding pitfalls in miscommunication and mis-steps in policy/management development #EEA2025
Reposted by Nick Dulvy
🌊 Paolo’s research focuses on analysing and modelling shark catches using SMART drumlines in Australia with the aim of responding to management needs and fostering coexistence between humans and wildlife, while promoting shark conservation through scientifically based strategies #EEA2025 #sharksmart
October 30, 2025 at 2:27 PM
🌊 Paolo’s research focuses on analysing and modelling shark catches using SMART drumlines in Australia with the aim of responding to management needs and fostering coexistence between humans and wildlife, while promoting shark conservation through scientifically based strategies #EEA2025 #sharksmart
Reposted by Nick Dulvy
danielchik_glc🦈 Daniel’s research focuses on the field of Conservation Genetics/Genomics of Sharks and Rays. He detects cases of misidentifcation or illegal trade through DNA barcoding (COI sequencing) identifying species from fish market which aims to bridge science and conservation policy #EEA2055
October 30, 2025 at 2:57 PM
danielchik_glc🦈 Daniel’s research focuses on the field of Conservation Genetics/Genomics of Sharks and Rays. He detects cases of misidentifcation or illegal trade through DNA barcoding (COI sequencing) identifying species from fish market which aims to bridge science and conservation policy #EEA2055
Reposted by Nick Dulvy
Successfully wrapped up our third and final week measuring rays in Europe at the Natural History Museum in London 🇬🇧 huge thank you to @nhm-london.bsky.social for hosting, and thank you @amandasodysseys.bsky.social and @nickdulvy.bsky.social for helping me measure 309 rays representing 123 species!
October 30, 2025 at 8:29 AM
Successfully wrapped up our third and final week measuring rays in Europe at the Natural History Museum in London 🇬🇧 huge thank you to @nhm-london.bsky.social for hosting, and thank you @amandasodysseys.bsky.social and @nickdulvy.bsky.social for helping me measure 309 rays representing 123 species!
Reposted by Nick Dulvy
🦈 Sharks, rays & chimaeras reveal a fairer, data-driven view of global fisheries. Using IUCN Red List data on 1,199 species, we expose inequities in fisheries data, weak bycatch management & trade-driven unsustainability #Sharks #Rays #Fisheries #Conservation #IUCN #EEA2025 @nickdulvy.bsky.social
October 30, 2025 at 11:05 AM
🦈 Sharks, rays & chimaeras reveal a fairer, data-driven view of global fisheries. Using IUCN Red List data on 1,199 species, we expose inequities in fisheries data, weak bycatch management & trade-driven unsustainability #Sharks #Rays #Fisheries #Conservation #IUCN #EEA2025 @nickdulvy.bsky.social
Reposted by Nick Dulvy
@nickdulvy.bsky.social at #EEA2025
Many of the places where the most destructive fishing happens are places where we have the least biodiversity data.
US/European fisheries are sustainable, but import a lot. “Outsourcing and offshoring unsustainability”
Many of the places where the most destructive fishing happens are places where we have the least biodiversity data.
US/European fisheries are sustainable, but import a lot. “Outsourcing and offshoring unsustainability”
October 30, 2025 at 11:07 AM
@nickdulvy.bsky.social at #EEA2025
Many of the places where the most destructive fishing happens are places where we have the least biodiversity data.
US/European fisheries are sustainable, but import a lot. “Outsourcing and offshoring unsustainability”
Many of the places where the most destructive fishing happens are places where we have the least biodiversity data.
US/European fisheries are sustainable, but import a lot. “Outsourcing and offshoring unsustainability”
Reposted by Nick Dulvy
Two great days this week tagging skate in the Bristol Channel - we managed to catch + tag individuals across four species of skate 🥳 These skate will be tracked for the next few years across our channel-wide array so we can learn about their movement patterns and spatial usage #trackingnotslacking
October 8, 2025 at 1:50 PM
Two great days this week tagging skate in the Bristol Channel - we managed to catch + tag individuals across four species of skate 🥳 These skate will be tracked for the next few years across our channel-wide array so we can learn about their movement patterns and spatial usage #trackingnotslacking
Reposted by Nick Dulvy
New paper! We estimated the reproductive timing of the critically endangered #flapperskate by making use of a pre-existing #citizenscience photo ID database 📸 with @davemarinebio.glasgow.ac.uk @jathorburn.bsky.social Paper ⏩ doi.org/10.1111/jfb.... & summary below ⏬
April 10, 2025 at 9:04 AM
New paper! We estimated the reproductive timing of the critically endangered #flapperskate by making use of a pre-existing #citizenscience photo ID database 📸 with @davemarinebio.glasgow.ac.uk @jathorburn.bsky.social Paper ⏩ doi.org/10.1111/jfb.... & summary below ⏬
Want to know the shark and ray fisheries regulations in Europe, see handy link from the @sharktrust #Elasmo25
www.sharktrust.org/Pages/Catego...
www.sharktrust.org/Pages/Catego...
Fisheries Advisories
Each year we produce Commercial Fisheries Advisories in line with the latest UK and EU law. These provide rapid access to the current legislative status of sharks, skates and rays in UK, EU, and inter...
www.sharktrust.org
October 29, 2025 at 9:25 AM
Want to know the shark and ray fisheries regulations in Europe, see handy link from the @sharktrust #Elasmo25
www.sharktrust.org/Pages/Catego...
www.sharktrust.org/Pages/Catego...
Reposted by Nick Dulvy
👋 Hey there! While field season has kept us busy, happy, and (probably) wet… here are some upcoming conferences to keep you indoors, networking, and dry:
(🧵, 1/3)
(🧵, 1/3)
August 13, 2025 at 8:42 AM
👋 Hey there! While field season has kept us busy, happy, and (probably) wet… here are some upcoming conferences to keep you indoors, networking, and dry:
(🧵, 1/3)
(🧵, 1/3)
Reposted by Nick Dulvy
#BELAS News❗❗
A new species joins the crew. Yesterday we tagged our first blue shark in the wild! 🦈
That makes it species number 8 in the “blue” waters of Galicia! 🌊🟢 Still chasing one more elusive species… but we’re out there, ready! 🦈🔍🤿
Tagging season never stops!! 💪
youtu.be/jmmILoVI9_c
A new species joins the crew. Yesterday we tagged our first blue shark in the wild! 🦈
That makes it species number 8 in the “blue” waters of Galicia! 🌊🟢 Still chasing one more elusive species… but we’re out there, ready! 🦈🔍🤿
Tagging season never stops!! 💪
youtu.be/jmmILoVI9_c
First acoustic telemetry tagging of blue shark (Prionace glauca) in the Ría de Vigo (Galicia, Spain)
YouTube video by Elasmopoulo
youtu.be
September 9, 2025 at 5:58 AM
#BELAS News❗❗
A new species joins the crew. Yesterday we tagged our first blue shark in the wild! 🦈
That makes it species number 8 in the “blue” waters of Galicia! 🌊🟢 Still chasing one more elusive species… but we’re out there, ready! 🦈🔍🤿
Tagging season never stops!! 💪
youtu.be/jmmILoVI9_c
A new species joins the crew. Yesterday we tagged our first blue shark in the wild! 🦈
That makes it species number 8 in the “blue” waters of Galicia! 🌊🟢 Still chasing one more elusive species… but we’re out there, ready! 🦈🔍🤿
Tagging season never stops!! 💪
youtu.be/jmmILoVI9_c
So excited to see some cownose rays (alive) after 3 weeks of museum work. Nice welcome to European Elasmobranch Association meeting #Elasmo25 here with @rachhson.bsky.social @amandasodysseys.bsky.social
October 29, 2025 at 9:02 AM
So excited to see some cownose rays (alive) after 3 weeks of museum work. Nice welcome to European Elasmobranch Association meeting #Elasmo25 here with @rachhson.bsky.social @amandasodysseys.bsky.social
Reposted by Nick Dulvy
European Elasmobranch Association friends, use #Elasmo25 for posts about the conference!
a stuffed shark is standing in front of a fire
ALT: a stuffed shark is standing in front of a fire
media.tenor.com
October 29, 2025 at 8:56 AM
European Elasmobranch Association friends, use #Elasmo25 for posts about the conference!
Reposted by Nick Dulvy
A bit late, but we’ve (@rachhson.bsky.social @nickdulvy.bsky.social) wrapped up our second week measuring rays across Europe. Goodbye Paris and thank you to the teams at @mnhn.fr who made it possible! 🇫🇷✨on to London 🇬🇧!
@earth2ocean.bsky.social
#labwork #mobulamonday #scienceinaction #womeninstem
@earth2ocean.bsky.social
#labwork #mobulamonday #scienceinaction #womeninstem
October 20, 2025 at 9:41 AM
A bit late, but we’ve (@rachhson.bsky.social @nickdulvy.bsky.social) wrapped up our second week measuring rays across Europe. Goodbye Paris and thank you to the teams at @mnhn.fr who made it possible! 🇫🇷✨on to London 🇬🇧!
@earth2ocean.bsky.social
#labwork #mobulamonday #scienceinaction #womeninstem
@earth2ocean.bsky.social
#labwork #mobulamonday #scienceinaction #womeninstem
Reposted by Nick Dulvy
New co-author paper led by Dr. Jonathan Moore.
#fishsci #conservaton #bcpoli #salmon
We identify four syndromes of the combined local impacts of watershed pressures and climate change.
And identified several key management actions and policies that would help safeguard salmon watersheds.
#fishsci #conservaton #bcpoli #salmon
We identify four syndromes of the combined local impacts of watershed pressures and climate change.
And identified several key management actions and policies that would help safeguard salmon watersheds.
NEW PAPER!
A Safe Operating Space for Salmon Watersheds Under Rapid Climate Change - Fish and Fisheries - Wiley Online Library onlinelibrary.wiley.com/doi/10.1111/...
A Safe Operating Space for Salmon Watersheds Under Rapid Climate Change - Fish and Fisheries - Wiley Online Library onlinelibrary.wiley.com/doi/10.1111/...
A Safe Operating Space for Salmon Watersheds Under Rapid Climate Change
Local watershed management can exacerbate or ameliorate oncoming climate risks to important aquatic ecosystems. Even as there is a global need to address climate change, local watershed stewardship c....
onlinelibrary.wiley.com
October 7, 2025 at 5:37 PM
New co-author paper led by Dr. Jonathan Moore.
#fishsci #conservaton #bcpoli #salmon
We identify four syndromes of the combined local impacts of watershed pressures and climate change.
And identified several key management actions and policies that would help safeguard salmon watersheds.
#fishsci #conservaton #bcpoli #salmon
We identify four syndromes of the combined local impacts of watershed pressures and climate change.
And identified several key management actions and policies that would help safeguard salmon watersheds.
Reposted by Nick Dulvy
The E2O team making waves (and measuring fins) in Hamburg!
Great to see @sfubiosciences.bsky.social in action!
@sfuscience.bsky.social
Great to see @sfubiosciences.bsky.social in action!
@sfuscience.bsky.social
Just wrapped up a great week measuring rays at the Museum der Natur Zoologie @leibnizlib.bsky.social in Hamburg 🇩🇪 for @rachhson.bsky.social’s PhD, over 135 specimens measured! 🦈✨ Next stop: Paris 🇫🇷, as our whirlwind tour through Europe’s ray collections continues
@nickdulvy.bsky.social
@nickdulvy.bsky.social
October 10, 2025 at 4:14 PM
The E2O team making waves (and measuring fins) in Hamburg!
Great to see @sfubiosciences.bsky.social in action!
@sfuscience.bsky.social
Great to see @sfubiosciences.bsky.social in action!
@sfuscience.bsky.social