Reposted by Dr. Karly E. CohenDr. Jaimi Gray @jaimiagray.bsky.social · 18/05/2026The Pacific spiny lumpsucker, an inefficient swimmer but a highly efficient suction cup. The pelvic fins have evolved into a strong suction disk on the belly, giving it the ability to anchor itself to substrates. Plate-like structures called "tubercles" provide defense against predators. 513143
Reposted by Dr. Karly E. CohenDr. Jaimi Gray @jaimiagray.bsky.social · 18/05/2026Bonus content 🐡: jaimigray.github.io/lumpsucker-v... play with the model using an online 3D viewer I built. Special thanks to my bud @karlycohen.bsky.social for catching this little lady straight out of Friday Harbor 🩵 0202
Dr. Karly E. Cohen @karlycohen.bsky.social · 06/02/2026Priority deadline (Feb 16) for this years Fish Class at Friday Harbor is coming up quick! Get your applications in for what will be an amazing summer filled with great science, people, and tools! Financial aid is available!! @cmdonatelli.bsky.social @fishguy.bsky.social @karlycohen.bsky.social 1912
Reposted by Dr. Karly E. CohenDr. Karly E. Cohen @karlycohen.bsky.social · 12/01/2026Summer fish class at Friday Harbor Labs 🐟 5 weeks, field + lab, real projects. Open to grads, postdocs, and undergrads. Financial aid available. Apply: February 16, 2026 Reach out to @cmdonatelli.bsky.social @fishguy.bsky.social or @karlycohen.bsky.social with questions! Details in the flyer ⬇️ 02012
Reposted by Dr. Karly E. CohenTodd Clardy @realfishdoc.bsky.social · 12/01/2026There are a few courses that shaped the trajectory of my career. This is one of them. Take it if you can! 054
Reposted by Dr. Karly E. CohenWilliam B. Ludt, PhD @planet-of-fishes.bsky.social · 12/01/2026Fun opportunity for early career individuals at Friday Harbor Labs. Everyone I know who has taken or been involved in this course has a great time. Highly recommend. 022
Reposted by Dr. Karly E. CohenJonathan Huie, PhD @jmhuie.bsky.social · 12/01/2026Early students must take this!! 032
Dr. Karly E. Cohen @karlycohen.bsky.social · 12/01/2026Summer fish class at Friday Harbor Labs 🐟 5 weeks, field + lab, real projects. Open to grads, postdocs, and undergrads. Financial aid available. Apply: February 16, 2026 Reach out to @cmdonatelli.bsky.social @fishguy.bsky.social or @karlycohen.bsky.social with questions! Details in the flyer ⬇️ 02012
Reposted by Dr. Karly E. CohenSICB journals @sicbjournals.bsky.social · 22/12/2025Have you read ICB's issue 6 yet? with Applied #ecoimmunology in #wildlife health and #conservation & authors @schulzscience.bsky.social @karlycohen.bsky.social Cohen @thomsanger.bsky.social Sanger @cmdonatelli.bsky.social Donatelli Stacy Farina and more! academic.oup.com/icb/issue/65/6 0123
Reposted by Dr. Karly E. CohenDr. Karly E. Cohen @karlycohen.bsky.social · 10/10/2025Check out this really fun interview I got to work on with Mitch Borden on one of my favorite fish, the spiny lumpsucker! www.knkx.org/science/2025...knkx.orgToothy armor, suction cups: Pacific spiny lumpsuckers persevere in Puget SoundThe small, clumsy fish isn’t the strongest or fastest creature living in Puget Sound. But it has developed other tools to survive in rough waters. 063
Dr. Karly E. Cohen @karlycohen.bsky.social · 10/10/2025Check out this really fun interview I got to work on with Mitch Borden on one of my favorite fish, the spiny lumpsucker! www.knkx.org/science/2025...knkx.orgToothy armor, suction cups: Pacific spiny lumpsuckers persevere in Puget SoundThe small, clumsy fish isn’t the strongest or fastest creature living in Puget Sound. But it has developed other tools to survive in rough waters. 063
Reposted by Dr. Karly E. CohenSeema Sheth @seemasheth.bsky.social · 26/09/2025NSF GRFP solicitation is finally up. Life Sci deadline extended to Nov 10 but 2nd year grad students no longer eligible www.nsf.gov/funding/oppo...nsf.govNSF Graduate Research Fellowship Program (GRFP) 01218
Reposted by Dr. Karly E. CohenDavid Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social · 06/09/2025Behold the Gloriously Weird Spotted Ratfish. It Has Teeth on Its Forehead for Sexscientificamerican.comBehold the Gloriously Weird Spotted Ratfish. It Has Teeth on Its Forehead for SexResearchers have finally traced the origin of the spotted ratfish’s bizarre forehead teeth, which are used for mating 49525
Reposted by Dr. Karly E. CohenUW News @uwnews.uw.edu · 05/09/2025New findings call into question one of the core assumptions about teeth. Adult male spotted ratfish have rows of teeth on top of their heads, in addition to those in their jaws. They use these teeth to grip females while mating. @karlycohen.bsky.social More: www.washington.edu/news/2025/09... 0149
Reposted by Dr. Karly E. CohenChris Goatley @chrisgoatley.bsky.social · 04/09/2025New species alert! A Pascua goby from the Coral Sea. This genus now contains four species. Two from the Eastern Pacific and two from Australia, with more than 5,500km separating them. Lots of fun describing my second new species. #TeamFish #Fish doi.org/10.3390/fish... 1155
Reposted by Dr. Karly E. CohenKate Wong @katewong.bsky.social · 04/09/2025Behold the gloriously weird Spotted Ratfish. It has teeth on its forehead for sex. The teeth line a cartilaginous appendage called a tenaculum that in males can be erected and used to grasp a female during mating 🧪 35122
Reposted by Dr. Karly E. CohenJohn P. Friel, Ph.D. @friel.bsky.social · 04/09/2025Bumping to the Fishes! and Science feeds🐟🧪 1173
Reposted by Dr. Karly E. CohenGareth Fraser @garethjfraser.bsky.social · 04/09/2025Super excited to share our new paper, out today @pnas.org 'Teeth outside the jaw: Evolution and development of the toothed head clasper in chimaeras' @karlycohen.bsky.social 👻🦈 🦷 www.pnas.org/doi/10.1073/...pnas.orgTeeth outside the jaw: Evolution and development of the toothed head clasper in chimaeras | PNASChimaeras (Holocephali) are an understudied group of mostly deep-ocean cartilaginous fishes (Chondrichthyes) with unique characteristics that disti... 1194
Reposted by Dr. Karly E. CohenEmily Troyer @fishfetisher.bsky.social · 04/09/2025Super cool!! What a weird fish #TeamFish 0151
Reposted by Dr. Karly E. CohenAdam Summers @fishguy.bsky.social · 04/09/2025Coolest fish is a ratfish and they have teeth on the head for mating. @karlycohen.bsky.social's most recent with a great Ray Troll piece of art. 🧪🐡 www.washington.edu/news/2025/09... 15813
Dr. Karly E. Cohen @karlycohen.bsky.social · 04/09/2025Article link here! www.pnas.org/doi/10.1073/...pnas.orgTeeth outside the jaw: Evolution and development of the toothed head clasper in chimaeras | PNASChimaeras (Holocephali) are an understudied group of mostly deep-ocean cartilaginous fishes (Chondrichthyes) with unique characteristics that disti... 02914
Dr. Karly E. Cohen @karlycohen.bsky.social · 04/09/2025New paper is officially out! Ratfish have a second jaw on their foreheads - CT + histology show they’re real teeth, built from the same tissues and signals as oral teeth. www.washington.edu/news/2025/09...washington.eduThis common fish has an uncommon feature: forehead teeth, used for matingNew findings call into question one of the core assumptions about teeth. Adult male spotted ratfish, a shark-like species native to the eastern Pacific Ocean, have rows of teeth on top of their heads,... 1017560
Dr. Karly E. Cohen @karlycohen.bsky.social · 10/07/2025The incredible @shirel.bsky.social fills the room tonight for the FHL teaching us about how manta rays feed 010
Reposted by Dr. Karly E. CohenJonathan Huie, PhD @jmhuie.bsky.social · 27/06/2025Of course there would be no paper w/o my co-authors @fishyologist.bsky.social, Allyson Evans, Thaddaeus Buser, @calliehcrawford.bsky.social, @emilykane.bsky.social, and Matt Kolmann. HUGE thanks to NSF for funding, @fishguy.bsky.social for the FHL fish class, & Scripps and OSU for their fish. 142
Reposted by Dr. Karly E. CohenJonathan Huie, PhD @jmhuie.bsky.social · 27/06/2025One reason I love this project is because of how many different tools and techniques we used. Field collections, high-speed feeding videos, CT scans of the jaw bones and muscles, scanning electron micrographs of the teeth, and lip histology....truly a tour de force of fun science. 164
Reposted by Dr. Karly E. CohenJonathan Huie, PhD @jmhuie.bsky.social · 27/06/2025New fish paper! We found that Clinocottus globicpes eats anemones (weird!) using a novel wrestling behavior + strong jaws that likely started as adaptations for tearing algae. It also has thick skin that protects it from stinging cells. @jzoology.bsky.social 🐟🧪 DM for PDF. doi.org/10.1111/jzo.... 28836
Reposted by Dr. Karly E. CohenJonathan Huie, PhD @jmhuie.bsky.social · 27/06/2025How could I forget to tag @karlycohen.bsky.social!!! 011
Reposted by Dr. Karly E. CohenAdam Summers @fishguy.bsky.social · 27/05/2025Hey look! Glowing fishes evolved over and over again. Lots of color of glow. @emilycarr.bsky.social led a team that included 5 FHL folks @jmhuie.bsky.social @lampichthys.bsky.social and @karlycohen.bsky.social. The oldest glowy fish is an eel at 100MYA. 🧪 www.nature.com/articles/s41...nature.comRepeated and widespread evolution of biofluorescence in marine fishes - Nature CommunicationsBiofluorescence is widespread in fishes. Here, the authors compile data on biofluorescence presence across teleost fishes and demonstrate that it may have originally evolved in eels 112 million years ... 04522
Dr. Karly E. Cohen @karlycohen.bsky.social · 27/05/2025So excited to see this paper out! @jmhuie.bsky.social and I began looking at glowing fishes during the pandemic. @emilycarr.bsky.social turned it into amazing science! A great story about the evolution of glow www.nature.com/articles/s41...nature.comRepeated and widespread evolution of biofluorescence in marine fishes - Nature CommunicationsBiofluorescence is widespread in fishes. Here, the authors compile data on biofluorescence presence across teleost fishes and demonstrate that it may have originally evolved in eels 112 million years ... 072
Reposted by Dr. Karly E. CohenAdam Summers @fishguy.bsky.social · 16/04/2025Jack Rosen's paper on biting fruits and seeds is out in @royalsocietypublishing.org Interface. 3D models of pacu and piranha jaws cutting different prey. Pacus are 'better' at fruit. Maybe eating seeds drove the evolution of frugivory from piscivory. 🧪 royalsocietypublishing.org/doi/10.1098/... 23616
Reposted by Dr. Karly E. CohenDr. Jaimi Gray @jaimiagray.bsky.social · 11/02/2025@aineander.bsky.social: talented scientific artist with a kind soul! April runs the UChicago PaleoCT lab. Her beautiful work in scientific illustration/visualization helps researchers translate complex scientific concepts to visual media such as illustration, animation, & 3D prints aprilneander.comaprilneander.comScientific Illustration – April Neander 073
Reposted by Dr. Karly E. CohenDr. Jaimi Gray @jaimiagray.bsky.social · 11/02/2025@stephanopteryx.bsky.social: studier of bird bones/anatomy and all round great person! Stephanie's current postdoc at UF involves 3D imaging the anatomy of bird lungs. Her previous PhD work on water bird wing shapes is available here: doi.org/10.1093/iob/...doi.orgWing Shape in Waterbirds: Morphometric Patterns Associated with Behavior, Habitat, Migration, and Phylogenetic ConvergenceSynopsis. Wing shape plays a critical role in flight function in birds and other powered fliers and has been shown to be correlated with flight performance 1113
Reposted by Dr. Karly E. CohenDr. Jaimi Gray @jaimiagray.bsky.social · 11/02/2025@mariacavallejo.bsky.social: A paleoherpetologist dedicated to old dead frogs. She is extremely smart, kind, & fun! She recently finished her PhD uncovering the stories fossil frogs have to tell, and won an award from the UF Biology Department for best student paper: doi.org/10.1093/zool...doi.orgFossil frogs (Eleutherodactylidae: Eleutherodactylus) from Florida suggest overwater dispersal from the Caribbean by the Late OligoceneAbstract. Establishment of extant terrestrial vertebrate faunas in North America was influenced by a set of factors associated with temporal changes in cli 161
Reposted by Dr. Karly E. CohenDr. Jaimi Gray @jaimiagray.bsky.social · 11/02/2025@leaveylab.bsky.social: evolutionary biologist with a go-get-em attitude, I'm yet to see a task she wasn't willing to conquer. I worked w Alice on #diceCT frog legs, & now she's shining in her postdoc on chameleons! She's been busy publishing her PhD research: onlinelibrary.wiley.com/doi/10.1002/...onlinelibrary.wiley.comFrog Fibres: What Muscle Architecture Can Tell Us About Anuran Locomotor FunctionOur study utilises a new, automated approach to digitally extracting muscle fibres from μCT data, allowing us to present the first digital analysis of muscle fibre architecture in frogs, including so... 162
Reposted by Dr. Karly E. CohenDr. Jaimi Gray @jaimiagray.bsky.social · 11/02/2025Happy 💕International Day of Girls and Women in Science💕 I'd like to highlight a couple of the women who inspire me! See thread ⬇️ 1204
Reposted by Dr. Karly E. CohenAdam Summers @fishguy.bsky.social · 16/01/2025Our REU summer program just went live. Here is the application form... etap.nsf.gov/award/499/op... And here are the project descriptions... fhl.uw.edu/research/sum... There is a short time line on this. Please pass it to any interested undergrads.etap.nsf.govNSF Education & Training Application | ETAP 03133
Reposted by Dr. Karly E. CohenCassandra Donatelli @cmdonatelli.bsky.social · 05/01/2025Bringing in the whole team to figure out what armor is. @fishguy.bsky.social @schulzscience.bsky.social @karlycohen.bsky.social and Misty Paig-Tran who isn't here in BlueSky? 032
Reposted by Dr. Karly E. CohenCassandra Donatelli @cmdonatelli.bsky.social · 05/01/2025If you are looking for armor diversity this is the talk to be at! @karlycohen.bsky.social is now showing is armor shape and material diversity in armadillos. #SICBioinspired #SICB2025 021
Reposted by Dr. Karly E. CohenCassandra Donatelli @cmdonatelli.bsky.social · 05/01/2025Thanks to everyone who participated in our #SICBioinspired symposium today! @karlycohen.bsky.social and I had so much fun hearing from all of you. Thanks also to @biologists.bsky.social and @anatomyorg.bsky.social and @sicbjournals.bsky.social for supporting everyone here today! #SICB2025 0122
Reposted by Dr. Karly E. CohenSICB journals @sicbjournals.bsky.social · 05/01/2025#SICB2025 BIMS(Black In Marine Science ) & ICB collaborated on the first ever BIMS issue featuring: free to read The Joy Factor: Redefining Leadership Excellence at Black in Marine #Science through Joy-Centered Leadership Practices By Lynnette Adams, Tiara Moore, doi.org/10.1093/icb/... & more 01512
Reposted by Dr. Karly E. CohenAndrew K. Schulz, Ph.D. @schulzscience.bsky.social · 05/01/2025Talk number 2 is up at 2:00pm in Marquis C. If you love knitting or elephants you should stop by! #SICB2025 142
Reposted by Dr. Karly E. CohenCassandra Donatelli @cmdonatelli.bsky.social · 05/01/2025We are back for our afternoon session! Come join us this afternoon in Marquis C for some more awesome #SICBioinspired talks! #SICB2025 031
Dr. Karly E. Cohen @karlycohen.bsky.social · 05/01/2025Now Astrid Layton gets students working on bioinspired design in engineering spaces. #SICB2025 #SICBbioinspired @sicbjournals.bsky.social 052
Reposted by Dr. Karly E. CohenDr. Karly E. Cohen @karlycohen.bsky.social · 05/01/2025Happening now! Form, function, and mechanics of composites! @schulzscience.bsky.social #SICB2025 #SICBbioinspired @sicbjournals.bsky.social 062
Dr. Karly E. Cohen @karlycohen.bsky.social · 05/01/2025Happening now! Form, function, and mechanics of composites! @schulzscience.bsky.social #SICB2025 #SICBbioinspired @sicbjournals.bsky.social 062
Dr. Karly E. Cohen @karlycohen.bsky.social · 05/01/2025Next we have @schulzscience.bsky.social starting at 2 PM in Marquis C! If you are looking at the paper program this is a schedule change you don't want to miss! #SICB2025 #SICBioinspired @sicbjournals.bsky.social 021
Reposted by Dr. Karly E. CohenDr. Karly E. Cohen @karlycohen.bsky.social · 05/01/2025We are starting back up again strong with Brian Woronowicz talking about tail movement and function in rats 032
Dr. Karly E. Cohen @karlycohen.bsky.social · 05/01/2025We are starting back up again strong with Brian Woronowicz talking about tail movement and function in rats 032
Dr. Karly E. Cohen @karlycohen.bsky.social · 05/01/2025Jessica presents us a framework to help find the colleagues to answer your questions! Aiding conversations across the fields of biology and engineering 031
Dr. Karly E. Cohen @karlycohen.bsky.social · 05/01/2025How we ask think about our questions has major impacts on the kinds of data we collect and share 021