Colin Simpfendorfer
@sharkcolin.bsky.social
Shark scientist since 1986. Passionate about sharks and rays, and their conservation and management. Lapsed academic.
Reposted by Colin Simpfendorfer
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 Colin Simpfendorfer
Annual plug for the fabulous phylopic.org website with tens of thousands of easily searchable silhouette images for almost every life form imaginable. They make nice additions to your biology plots!
November 3, 2025 at 5:03 PM
Annual plug for the fabulous phylopic.org website with tens of thousands of easily searchable silhouette images for almost every life form imaginable. They make nice additions to your biology plots!
Reposted by Colin Simpfendorfer
For the past 4 years I have worked with a wonderful team of scientists and anglers to track sharks in recreational fisheries. With close to 70 tags deployed, we found that good angling practice can result in pretty high survival for sharks! 🦈🎣🌊
NEW PAPER: Survival and recovery of three shark species in North-East Atlantic recreational fisheries.
academic.oup.com/icesjms/arti...
@garzonfrancesco.bsky.social @drmjwitt.bsky.social
🦑🐟🧪🌐🌊🎣
academic.oup.com/icesjms/arti...
@garzonfrancesco.bsky.social @drmjwitt.bsky.social
🦑🐟🧪🌐🌊🎣
Survival and recovery of three shark species in North-East Atlantic recreational fisheries
Abstract. Understanding how sharks respond to catch and release (C&R) recreational fisheries is an important requirement for effective management. Post
academic.oup.com
November 3, 2025 at 2:41 PM
For the past 4 years I have worked with a wonderful team of scientists and anglers to track sharks in recreational fisheries. With close to 70 tags deployed, we found that good angling practice can result in pretty high survival for sharks! 🦈🎣🌊
Reposted by Colin Simpfendorfer
NEW PAPER: Survival and recovery of three shark species in North-East Atlantic recreational fisheries.
academic.oup.com/icesjms/arti...
@garzonfrancesco.bsky.social @drmjwitt.bsky.social
🦑🐟🧪🌐🌊🎣
academic.oup.com/icesjms/arti...
@garzonfrancesco.bsky.social @drmjwitt.bsky.social
🦑🐟🧪🌐🌊🎣
Survival and recovery of three shark species in North-East Atlantic recreational fisheries
Abstract. Understanding how sharks respond to catch and release (C&R) recreational fisheries is an important requirement for effective management. Post
academic.oup.com
November 3, 2025 at 1:58 PM
NEW PAPER: Survival and recovery of three shark species in North-East Atlantic recreational fisheries.
academic.oup.com/icesjms/arti...
@garzonfrancesco.bsky.social @drmjwitt.bsky.social
🦑🐟🧪🌐🌊🎣
academic.oup.com/icesjms/arti...
@garzonfrancesco.bsky.social @drmjwitt.bsky.social
🦑🐟🧪🌐🌊🎣
Reposted by Colin Simpfendorfer
FINAL DEADLINE | 15 NOVEMBER 2025
Reminder that abstract submissions for Sharks International 2026 (SI2026) are still open for 2 more weeks!
The IUCN SSC Shark Specialist Group will be hosting the session: “Leveraging Important Shark and Ray Areas (ISRAs) for Policy Action.”
Reminder that abstract submissions for Sharks International 2026 (SI2026) are still open for 2 more weeks!
The IUCN SSC Shark Specialist Group will be hosting the session: “Leveraging Important Shark and Ray Areas (ISRAs) for Policy Action.”
November 2, 2025 at 8:01 AM
FINAL DEADLINE | 15 NOVEMBER 2025
Reminder that abstract submissions for Sharks International 2026 (SI2026) are still open for 2 more weeks!
The IUCN SSC Shark Specialist Group will be hosting the session: “Leveraging Important Shark and Ray Areas (ISRAs) for Policy Action.”
Reminder that abstract submissions for Sharks International 2026 (SI2026) are still open for 2 more weeks!
The IUCN SSC Shark Specialist Group will be hosting the session: “Leveraging Important Shark and Ray Areas (ISRAs) for Policy Action.”
Reposted by Colin Simpfendorfer
Book review: Shark tales from ancient seas www.cell.com/current-biol...
Shark tales from ancient seas
The world’s oceans and rivers are currently home to at least 1,250 species of sharks (broadly including sharks, rays and chimaeras). They live in almost all marine habitats above 3,500 m depth, and…
www.cell.com
November 1, 2025 at 5:28 PM
Book review: Shark tales from ancient seas www.cell.com/current-biol...
Reposted by Colin Simpfendorfer
The earliest appearance of gigantic lamniform #sharks has now been pushed back by ~15 Ma (upper Aptian, ~115 Ma) with the discovery of enormous cardabiodontid shark remains from northern Australia.🦈🧪
www.nature.com/articles/s42...
www.nature.com/articles/s42...
Early gigantic lamniform marks the onset of mega-body size in modern shark evolution - Communications Biology
The earliest appearance of mega-body size in sharks is pushed back by 15 million years with the discovery of new fossils from Northern Australia. Using a comprehensive dataset of living sharks to esti...
www.nature.com
October 27, 2025 at 11:38 PM
The earliest appearance of gigantic lamniform #sharks has now been pushed back by ~15 Ma (upper Aptian, ~115 Ma) with the discovery of enormous cardabiodontid shark remains from northern Australia.🦈🧪
www.nature.com/articles/s42...
www.nature.com/articles/s42...
Reposted by Colin Simpfendorfer
🚨 Recruiting 12 PhD students for a new NSF-funded program at the University of Alaska Fairbanks College of Fisheries and Ocean Sciences! This program is for U.S. students who received an Honorable Mention on the NSF GRFP within the last 3 years. @uafairbanks.bsky.social
www.uaf.edu/cfos/academi...
www.uaf.edu/cfos/academi...
EMERGE Alaska | College of Fisheries and Ocean Sciences
www.uaf.edu
October 24, 2025 at 8:04 PM
🚨 Recruiting 12 PhD students for a new NSF-funded program at the University of Alaska Fairbanks College of Fisheries and Ocean Sciences! This program is for U.S. students who received an Honorable Mention on the NSF GRFP within the last 3 years. @uafairbanks.bsky.social
www.uaf.edu/cfos/academi...
www.uaf.edu/cfos/academi...
Reposted by Colin Simpfendorfer
The Blue Food Futures Fellowship application is now open!
Fellows receive 6 mo support at their home institution to address pressing issues in blue food + mentorship from a global blue research network + opportunities to present research at international fora
⬇️ More
bluefood.earth/fellowships/
Fellows receive 6 mo support at their home institution to address pressing issues in blue food + mentorship from a global blue research network + opportunities to present research at international fora
⬇️ More
bluefood.earth/fellowships/
Fellowships | BFFP
Blue Food Futures Fellows research critical questions about blue foods, filling knowledge gaps and providing actionable insights for global food and climate initiatives.
bluefood.earth
October 24, 2025 at 1:58 AM
The Blue Food Futures Fellowship application is now open!
Fellows receive 6 mo support at their home institution to address pressing issues in blue food + mentorship from a global blue research network + opportunities to present research at international fora
⬇️ More
bluefood.earth/fellowships/
Fellows receive 6 mo support at their home institution to address pressing issues in blue food + mentorship from a global blue research network + opportunities to present research at international fora
⬇️ More
bluefood.earth/fellowships/
Reposted by Colin Simpfendorfer
🦈 A new study indicates that deep-sea mining could threaten at least 30 species of sharks, rays and chimaeras, many of which are already at risk of extinction.
#SharkConservation #Shark #DeepSea #DeepSeaMining #DefendTheDeep
news.mongabay.com/2025/10/mini...
#SharkConservation #Shark #DeepSea #DeepSeaMining #DefendTheDeep
news.mongabay.com/2025/10/mini...
Mining the deep-sea could further threaten endangered sharks and rays
New research has found that deep-sea mining in international waters could threaten at least 30 species of sharks, rays and chimaeras — many of which are already at risk of extinction. Chondrichthyes, ...
news.mongabay.com
October 23, 2025 at 7:53 PM
🦈 A new study indicates that deep-sea mining could threaten at least 30 species of sharks, rays and chimaeras, many of which are already at risk of extinction.
#SharkConservation #Shark #DeepSea #DeepSeaMining #DefendTheDeep
news.mongabay.com/2025/10/mini...
#SharkConservation #Shark #DeepSea #DeepSeaMining #DefendTheDeep
news.mongabay.com/2025/10/mini...
Reposted by Colin Simpfendorfer
CSIRO is #hiring a Collection Manager for the Australian National Fish Collection 🐟
📍 Hobart, #Tasmania
💰 $96,000 - $109,000
🚨Deadline: 31 Oct 2025
👀 jobs.csiro.au/job/Hobart%2...
📍 Hobart, #Tasmania
💰 $96,000 - $109,000
🚨Deadline: 31 Oct 2025
👀 jobs.csiro.au/job/Hobart%2...
October 19, 2025 at 9:30 PM
CSIRO is #hiring a Collection Manager for the Australian National Fish Collection 🐟
📍 Hobart, #Tasmania
💰 $96,000 - $109,000
🚨Deadline: 31 Oct 2025
👀 jobs.csiro.au/job/Hobart%2...
📍 Hobart, #Tasmania
💰 $96,000 - $109,000
🚨Deadline: 31 Oct 2025
👀 jobs.csiro.au/job/Hobart%2...
Reposted by Colin Simpfendorfer
The Mexico 🇲🇽 government has implemented new protections for several species of Atlantic sharks, but conservationists have been quick to point out that the bans were required under international commitments adopted years ago.
#SharkLeague 🦈
www.seafoodsource.com/news/environ...
#SharkLeague 🦈
www.seafoodsource.com/news/environ...
Mexico implements Atlantic shark bycatch protections
The Mexico government has implemented new protections for several species of Atlantic sharks
www.seafoodsource.com
October 17, 2025 at 8:00 PM
The Mexico 🇲🇽 government has implemented new protections for several species of Atlantic sharks, but conservationists have been quick to point out that the bans were required under international commitments adopted years ago.
#SharkLeague 🦈
www.seafoodsource.com/news/environ...
#SharkLeague 🦈
www.seafoodsource.com/news/environ...
New #sharkscience from @diegocardenosa.bsky.social and others.
Ghosts of the current: environmental DNA assays to detect conservation priority areas for three critically endangered hammerhead sharks.
doi.org/10.3389/fmar...
@iucnshark.bsky.social
Ghosts of the current: environmental DNA assays to detect conservation priority areas for three critically endangered hammerhead sharks.
doi.org/10.3389/fmar...
@iucnshark.bsky.social
Frontiers | Ghosts of the current: environmental DNA assays to detect conservation priority areas for three critically endangered hammerhead sharks
Small-bodied hammerhead sharks (Sphyrna corona, S. media, and S. vespertina) are among the most threatened and understudied elasmobranchs, yet little is know...
doi.org
October 17, 2025 at 4:15 PM
New #sharkscience from @diegocardenosa.bsky.social and others.
Ghosts of the current: environmental DNA assays to detect conservation priority areas for three critically endangered hammerhead sharks.
doi.org/10.3389/fmar...
@iucnshark.bsky.social
Ghosts of the current: environmental DNA assays to detect conservation priority areas for three critically endangered hammerhead sharks.
doi.org/10.3389/fmar...
@iucnshark.bsky.social
New #sharkscience from Hilary Lewis and others:
Challenging traditional methods of age estimation: elemental and isotopic characterisation of speartooth shark Glyphis glyphis vertebrae.
www.int-res.com/abstracts/me...
@iucnshark.bsky.social @austsocfishbiol.bsky.social @mickgrant.bsky.social
Challenging traditional methods of age estimation: elemental and isotopic characterisation of speartooth shark Glyphis glyphis vertebrae.
www.int-res.com/abstracts/me...
@iucnshark.bsky.social @austsocfishbiol.bsky.social @mickgrant.bsky.social
www.int-res.com
October 17, 2025 at 1:25 PM
New #sharkscience from Hilary Lewis and others:
Challenging traditional methods of age estimation: elemental and isotopic characterisation of speartooth shark Glyphis glyphis vertebrae.
www.int-res.com/abstracts/me...
@iucnshark.bsky.social @austsocfishbiol.bsky.social @mickgrant.bsky.social
Challenging traditional methods of age estimation: elemental and isotopic characterisation of speartooth shark Glyphis glyphis vertebrae.
www.int-res.com/abstracts/me...
@iucnshark.bsky.social @austsocfishbiol.bsky.social @mickgrant.bsky.social
Reposted by Colin Simpfendorfer
Mexico has finally fulfilled its international commitments to protect Atlantic sharks 🦈
New domestic rules set science-based catch limits for blue & shortfin mako sharks, a long-overdue step toward sustainable fisheries under #ICCAT
sharkleague.org/2025/10/16/b...
#SharkConservation #SharkLeague
New domestic rules set science-based catch limits for blue & shortfin mako sharks, a long-overdue step toward sustainable fisheries under #ICCAT
sharkleague.org/2025/10/16/b...
#SharkConservation #SharkLeague
Better Late Than Never: Mexico Fulfills International Obligations to Protect Atlantic Sharks - Shark League for the Atlantic and Mediterranean
Shark League welcomes overdue bans on bigeye thresher, oceanic whitetip, shortfin mako, hammerhead & silky sharks.
sharkleague.org
October 17, 2025 at 11:49 AM
Mexico has finally fulfilled its international commitments to protect Atlantic sharks 🦈
New domestic rules set science-based catch limits for blue & shortfin mako sharks, a long-overdue step toward sustainable fisheries under #ICCAT
sharkleague.org/2025/10/16/b...
#SharkConservation #SharkLeague
New domestic rules set science-based catch limits for blue & shortfin mako sharks, a long-overdue step toward sustainable fisheries under #ICCAT
sharkleague.org/2025/10/16/b...
#SharkConservation #SharkLeague
Happy #internationalsawfishday to all who celebrate.
October 17, 2025 at 1:08 PM
Happy #internationalsawfishday to all who celebrate.
100% endorse this travel advice from prior experience. And you you can duck around the corner for a quick glimpse of a stuffed dodo before heading back to Heathrow.
My favorite exhibit, at the Natural History Museum. Perfect for 10 hour layovers via Heathrow.
Wildlife Photographer of the Year awards – in pictures
October 16, 2025 at 2:54 PM
100% endorse this travel advice from prior experience. And you you can duck around the corner for a quick glimpse of a stuffed dodo before heading back to Heathrow.
New #sharkscience from Shay Kashey.
Guinean landing surveys of Bentfin devil rays add insight into threatened elasmobranch catch.
link.springer.com/article/10.1...
Lots of data on elasmobranch landings, including rhinorays.
@mantatrust.bsky.social @danielfernan7.bsky.social @iucnshark.bsky.social
Guinean landing surveys of Bentfin devil rays add insight into threatened elasmobranch catch.
link.springer.com/article/10.1...
Lots of data on elasmobranch landings, including rhinorays.
@mantatrust.bsky.social @danielfernan7.bsky.social @iucnshark.bsky.social
Guinean landing surveys of Bentfin devil rays add insight into threatened elasmobranch catch - Environmental Biology of Fishes
Populations of many elasmobranchs have decreased globally, with over a third of species threatened with an elevated risk of extinction, largely due to fishing pressure. In West Africa, a general lack ...
link.springer.com
October 16, 2025 at 2:42 PM
New #sharkscience from Shay Kashey.
Guinean landing surveys of Bentfin devil rays add insight into threatened elasmobranch catch.
link.springer.com/article/10.1...
Lots of data on elasmobranch landings, including rhinorays.
@mantatrust.bsky.social @danielfernan7.bsky.social @iucnshark.bsky.social
Guinean landing surveys of Bentfin devil rays add insight into threatened elasmobranch catch.
link.springer.com/article/10.1...
Lots of data on elasmobranch landings, including rhinorays.
@mantatrust.bsky.social @danielfernan7.bsky.social @iucnshark.bsky.social
Reposted by Colin Simpfendorfer
Important news for those tracking #30by30. @protectedplanet.bsky.social merging WDPA & WD-OECM into new 'World Database on Protected and Conserved Areas (WDPCA).' @unep.org @unbiodiversity.bsky.social
www.protectedplanet.net/news-and-sto...
www.protectedplanet.net/news-and-sto...
Introducing the WDPCA
Exciting changes are coming to Protected Planet in November, including a bringing together and rebrand of our flagship databases into the World Database on Protected and Conserved Areas.
www.protectedplanet.net
October 14, 2025 at 12:43 PM
Important news for those tracking #30by30. @protectedplanet.bsky.social merging WDPA & WD-OECM into new 'World Database on Protected and Conserved Areas (WDPCA).' @unep.org @unbiodiversity.bsky.social
www.protectedplanet.net/news-and-sto...
www.protectedplanet.net/news-and-sto...
Reposted by Colin Simpfendorfer
#DidYouKnow ? Shark reproductive rates and recovery potential are known to decline when depth increases & population depletion risks exist, even when exploitation (targeted or incidental) rates are low.
— IPBES #SustainableUse Assessment
Let's protect deep-sea sharks. 🦈
— IPBES #SustainableUse Assessment
Let's protect deep-sea sharks. 🦈
October 13, 2025 at 12:50 PM
#DidYouKnow ? Shark reproductive rates and recovery potential are known to decline when depth increases & population depletion risks exist, even when exploitation (targeted or incidental) rates are low.
— IPBES #SustainableUse Assessment
Let's protect deep-sea sharks. 🦈
— IPBES #SustainableUse Assessment
Let's protect deep-sea sharks. 🦈
Reposted by Colin Simpfendorfer
The IUCN Red List of Threatened Species has just been updated and now includes assessments of 1,266 species of sharks, rays, and chimaeras.
October 10, 2025 at 8:03 AM
The IUCN Red List of Threatened Species has just been updated and now includes assessments of 1,266 species of sharks, rays, and chimaeras.
Read my review of John Long’s book The Secret History of Sharks in @currentbiology.bsky.social
A fascinating read about the deep history of sharks, the scientists who study them, and the adventures they have in the quest to learn more.
authors.elsevier.com/a/1luVG3QW8S...
A fascinating read about the deep history of sharks, the scientists who study them, and the adventures they have in the quest to learn more.
authors.elsevier.com/a/1luVG3QW8S...
authors.elsevier.com
October 7, 2025 at 1:09 AM
Read my review of John Long’s book The Secret History of Sharks in @currentbiology.bsky.social
A fascinating read about the deep history of sharks, the scientists who study them, and the adventures they have in the quest to learn more.
authors.elsevier.com/a/1luVG3QW8S...
A fascinating read about the deep history of sharks, the scientists who study them, and the adventures they have in the quest to learn more.
authors.elsevier.com/a/1luVG3QW8S...
Reposted by Colin Simpfendorfer
Recently, 124 Important Shark and Ray Areas (ISRAs) were delineated for the European Atlantic 🦈
This effort had data contributions from 214 researchers, including ETN members! Many of these ISRAs were partially/ompletely supported with telemetry data, underscoring the importance of this information.
This effort had data contributions from 214 researchers, including ETN members! Many of these ISRAs were partially/ompletely supported with telemetry data, underscoring the importance of this information.
October 6, 2025 at 9:43 AM
Recently, 124 Important Shark and Ray Areas (ISRAs) were delineated for the European Atlantic 🦈
This effort had data contributions from 214 researchers, including ETN members! Many of these ISRAs were partially/ompletely supported with telemetry data, underscoring the importance of this information.
This effort had data contributions from 214 researchers, including ETN members! Many of these ISRAs were partially/ompletely supported with telemetry data, underscoring the importance of this information.
Reposted by Colin Simpfendorfer
Calling all marine & freshwater sciences students 📣
@marinefreshwater.bsky.social has a new #StudentPrize!
The first winner will be announced in 2027 to allow time for submissions and nominations.
More details:
www.publish.csiro.au/mf/forauthor...
#MarineFreshwaterRes
@marinefreshwater.bsky.social has a new #StudentPrize!
The first winner will be announced in 2027 to allow time for submissions and nominations.
More details:
www.publish.csiro.au/mf/forauthor...
#MarineFreshwaterRes
CSIRO PUBLISHING
Awards and Prizes
www.publish.csiro.au
October 4, 2025 at 12:55 AM
Calling all marine & freshwater sciences students 📣
@marinefreshwater.bsky.social has a new #StudentPrize!
The first winner will be announced in 2027 to allow time for submissions and nominations.
More details:
www.publish.csiro.au/mf/forauthor...
#MarineFreshwaterRes
@marinefreshwater.bsky.social has a new #StudentPrize!
The first winner will be announced in 2027 to allow time for submissions and nominations.
More details:
www.publish.csiro.au/mf/forauthor...
#MarineFreshwaterRes
Reposted by Colin Simpfendorfer
