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Robert Kozol

@cavefish.bsky.social
372 followers 91 following 43 posts

He/him/his Assistant Professor, St. Johns University. Fish evolutionary neuroscientist, musician and professional husband/dad

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Reposted by Robert Kozol
BrainFacts @brainfacts.org · 29/09/2026
Print out 3D-printed models of different animal brains for the classroom, lab — or just for fun. vist.ly/5kc8x
brainfacts.org
3D-Printed Animal Brain Models
Print out 3D-printed models of different animal brains for the classroom, lab — or just for fun.
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Reposted by Robert Kozol
Scott Juntti @scottjuntti.bsky.social · 27/09/2026
When a fish sees the world move, it immediately swims with it. This is the optomotor response: a visual reflex found across animals that helps us maintain our position and orientation as our surroundings appear to drift. 🐟👀
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Zebrafish Rock! @zebrafishrock.bsky.social · 27/09/2026
Very cool #cichlid paper (and Bluetorial) from @scottjuntti.bsky.social et al 🔗 : www.cell.com/iscience/ful...
cell.com
Complex pectoral-fin-driven locomotion underlies refined visuomotor behavior in the cichlid Astatotilapia burtoni
Zoology; Neuroscience; Evolutionary biology
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Nicole CL Noel @nclnoel.bsky.social · 21/09/2026
My work on the turquoise killifish photoreceptor mosaic was published last week - check it out if you’re interested in photoreceptors, cell organization, and pretty pictures! onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Ordered Chaos: Photoreceptor Mosaics in the Larval and Adult Turquoise Killifish (<i>Nothobranchius furzeri</i>)
The annual turquoise killifish (Nothobranchius furzeri) cone photoreceptor mosaic is an ordered lattice but lacks regularity of cone subtypes in adulthood. The cone mosaic differs between life stages...
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Pranav Seth @thebuddhabird93.bsky.social · 25/09/2026
🔬🐦 Zebra finch retina! AAV-mediated GCaMP expression reveals elongated photoreceptors 🟢 GCaMP | 🔴 DAPI | ⚪ Transmission: distinctive oil droplets in the photoreceptor layer These droplets contribute to spectral filtering #FluorescenceFriday #ZebraFinch #Retina #Vision #GCaMP #Neuroscience
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Rachel Moran @rachelmoran.bsky.social · 09/09/2026
Our lab's first journal cover! Art by @taylorblack.bsky.social and project led by @brynnjohnson13.bsky.social
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Anthony Dornan @dornan.bsky.social · 08/09/2026
A thread that not only celebrates scientific endeavour but dogged persistence in the face of societal barriers. Well worth the read.
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MBARI @mbarinews.bsky.social · 04/09/2026
This black dragonfish (Idiacanthus sp.) was spotted at 527 meters (1,729 feet) in Monterey Bay. Black dragonfish are built for life in the darkness of the deep ocean. Their ultra-black skin helps them stay camouflaged from prey like fishes and crustaceans. 🐉🖤⁠
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Robert Kozol @cavefish.bsky.social · 05/09/2026
Similar feeling as our lab ventures into non-model teleosts without sequenced genomes!
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Robert Kozol @cavefish.bsky.social · 03/09/2026
It looks like a tetra and zebrafish had a baby
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Elizabeth Beston @elizabethbeston.bsky.social · 31/08/2026
This was a complete treat! My first Beroe sp. Ctenophore (comb jelly). What an animal! #marineplankton 🦑
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Tom Near @tjnear.bsky.social · 29/08/2026
1/7 🐟🧬 New preprint! "The largest radiations of freshwater fishes initiated at the K-Pg boundary" Phylogeny of Otocephala: Clupeiformes, Alepeocephaliformes, & Ostariophysi 144 species, UCEs + whole genomes, Bayesian dating. 11,700+ species covered. Here is what we found 🧵👇
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Tom Near @tjnear.bsky.social · 29/08/2026
1/11 🐟 2nd new preprint today from @chasedbrownstein.bsky.social We investigated how losing the swim bladder, the organ that most fishes use to control their buoyancy, has shaped the diversity of ray-finned fishes over 90 million years of Earth history. The results surprised us. 🧵
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MwahahahahahadScientist @mads100tist.bsky.social · 28/08/2026
It's out! I will do a thread tomorrow, but for now: rejoice, my microscopy nerds and also learn about zebrafish notochord development! 🧪🐟
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Zebrafish Rock! @zebrafishrock.bsky.social · 16/08/2026
Time-lapse video of vascular development in a transgenic #zebrafish embryo. Credit to @kuglerelisabeth.bsky.social. #ZebrafishZunday
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Zebrafish Rock! @zebrafishrock.bsky.social · 14/08/2026
Weekend plans: Settled ✅
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Braasch Lab @ Michigan State University @fishevodevogeno.bsky.social · 14/08/2026
Michigan spotted gar ✅ Wonderful day out on the lakes with @garlab.bsky.social and @mikeboothlab.bsky.social #EndlessFishMostBeautiful
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でんか @k-hermit.com · 12/08/2026
毒魚で有名なゴンズイ。海でこちらから近づいてもむこうは逃げていくので、刺されるのが難しいくらい。むしろ、釣れたり、網で採ったときに刺されやすいので注意した方が良い。
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Bahl Lab @bahllab.bsky.social · 12/08/2026
The animal is the same. The stimulus is identical. Yet the behaviour varies. Why? In our new study, @ashritocyte.bsky.social explores the sources of this behavioural variability under fully controlled conditions in larval zebrafish doing optomotor response. (1/7) www.biorxiv.org/content/10.6...
biorxiv.org
Opposing influences of sensory and response history in larval zebrafish
Variability is a prominent feature of animal behavior across species. Despite highly controlled experimental conditions, the same individual often responds differently to repeated identical stimulatio...
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Anthony Dornan @dornan.bsky.social · 11/08/2026
As always I bring this link out as it says everything I would want to say better than I could that you need to know & with music.
youtube.com
Vaccinate Your Kids - Mitch Benn
YouTube video by FreelanceScientist
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Zebrafish Rock! @zebrafishrock.bsky.social · 08/08/2026
😈🐟🔥
Image of the newly discovered cavefish called Demogorgonichthys arcanus named after the demogorgon from the TV show “Stranger Things”. Text reads “The demon cavefish” credit to Zeke Darwin/TikTok
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Science Magazine @science.org · 06/08/2026
Like most insects, the wings of tobacco hawk moths are covered in tiny hairs. But the tobacco hawk moth’s wing hairs do something researchers haven’t documented in any other insect: they help the animal smell. Learn more: scim.ag/4fLx1Mk
These moths smell with their wings
Never-before-seen ability may allow the insects to home in on their favorite plants
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Pawel Burkhardt @pawelburkhardt.bsky.social · 04/08/2026
Our Dispatch "Evolution: Ancient monoamines in a neuron-less animal" out in @currentbiology.bsky.social. Monoamine signaling and behavioral responses in placozoans suggest this system predates bilaterians. authors.elsevier.com/a/1nYJl3QW8S... @annaferraioli.bsky.social @msarscentre.bsky.social
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Zebrafish Rock! @zebrafishrock.bsky.social · 05/08/2026
This looks super practical! Give it a peek, if finterested 😎
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David Ho @davidho.bsky.social · 04/08/2026
Not sure if everyone appreciates the difference. Rooftop solar hardwires into your main panel via a dedicated breaker, so it requires a permit, an installer, an electrician, and a utility agreement. Balcony solar just plugs into a wall outlet, sharing an existing circuit with no permits or rewiring.
canarymedia.com
A new deal on balcony solar just dropped in the US
Plug-in panels can lower your bills. To boost the American market for the tech, nonprofit Bright Saver is selling kits with no markup, starting at around…
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Parichy Lab | Dave Parichy @dparichy.bsky.social · 30/07/2026
We are really excited about this great opportunity for a Core leader in the Department of Biology at UVA. jobs.virginia.edu/us/en/job/R0...
jobs.virginia.edu
Genomics and Multi-omics Senior Laboratory Research Specialist, Biology in Charlottesville, Virginia, United States of America | Research at University of Virginia
Apply for Genomics and Multi-omics Senior Laboratory Research Specialist, Biology job with University of Virginia in Charlottesville, Virginia, United States of America. Research at University of Virg...
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Miguel Clavero @chikichanka.bsky.social · 29/07/2026
I did some fishing at the British Museum. A short, fishy thread (5 posts) This a vessel with the shape of a berbel, arguably Luciobarbus conocephalus, becauae the piece was produces in the Amu Darya (Oxus River) Some 2500 years old @sibic.bsky.social
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Stephanie Woo @itsthewoolab.bsky.social · 29/07/2026
Better late than never! Last month, we posted our preprint on single-cell RNA sequencing of the #zebrafish sox17 lineage — a collaboration among several labs including us, @stefanmaterna.bsky.social and @thelovelylab.bsky.social. A few key takeaways below: 1/3 www.biorxiv.org/content/10.6...
biorxiv.org
Transcriptional divergence of the zebrafish sox17 lineage begins during gastrulation
The endoderm is specified at the onset of gastrulation and subsequently undergoes extensive migration before forming an epithelial sheet that gives rise to multiple organs, including the gut and respi...
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Kei Jokura @kei-jokura.bsky.social · 25/07/2026
Our review paper on nerve nets has just been published!! @jekely.biologists.social.ap.brid.gy
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Petra Korlević @petrathepostdoc.bsky.social · 22/07/2026
How to use AI for your grapgical abstracts: - do not - dont even think about it - congrats now everyone thinks your paper is made up data and you plagiarised the results - lost all scientific credibility
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Current Biology @currentbiology.bsky.social · 20/07/2026
from our cover: hunting strategy correlates with eye arrangement in spiders www.cell.com/current-biol...
cell.com
Hunting ecology predicts eye arrangements in the modular visual system of spiders
Pande et al. show that visually hunting spiders have convergently evolved forward-facing eyes. The positions and orientations of the eyes show the greatest morphological disparity and fastest evolutio...
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MariaEichelVogel.bsky.social @mariaeichelvogel.bsky.social · 19/07/2026
Excited to share my postdoc paper from the @lyons-lab.bsky.social Our question: what controls axon diameter? It varies >100-fold between neurons, shapes signal speed & myelination, and changes in disease. Yet very little is known about what regulates it. 🧵 journals.plos.org/plosbiology/...
journals.plos.org
A high-resolution phenotypic screen identifies regulators of CNS axon diameter in zebrafish
Axon diameter is important for action potential conduction speed, but what molecular pathways influence this neuronal property? This study reports a high-resolution imaging-based chemical screening pi...
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Zebrafish Rock! @zebrafishrock.bsky.social · 18/07/2026
Looks fintastic, for those keen! #ZebrafishMeeting #killifish
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Onlyfish @onlyfinsoffishial.bsky.social · 17/07/2026
Celestial Pearl Danios (Danio margaritatus ) flexing. The female is in the foreground. She has a noticeably larger belly and slightly more dull coloration. #fish #fishtank #aquariumfish #aquarium #aquariumtank #shrimp #shrimptank #aquatics #aquascape
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Current Biology @currentbiology.bsky.social · 15/07/2026
The Manul/Pallas' Cat is a wild felid of arid Asian highlands and has the densest and longest fur of all #cats A new study by Jiaqing Yuan &co finds that it belongs to a distinct lineage despite many traits shared with cats in genus Felis www.cell.com/current-biol... Image: tinyurl.com/yc6banxa
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Robert Kozol @cavefish.bsky.social · 08/07/2026
Beer versus water!
static.klipy.com
Yes No
ALT: Yes No
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Zebrafish Rock! @zebrafishrock.bsky.social · 06/07/2026
Lovely new work from Moens Lab, led by @austinseroka1.bsky.social 🐟 @cbmoens.bsky.social 🔗 to preprint: www.biorxiv.org/content/10.6...
biorxiv.org
Distinct transcriptional programs define cranial motor neuron subtypes during vertebrate development
Closely related neurons that share core differentiation programs can be difficult to distinguish by gene expression, even when they differ in connectivity and function. Cranial motor neurons (cMNs) ex...
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Zebrafish Rock! @zebrafishrock.bsky.social · 06/07/2026
🔗 journals.biologists.com/dev/article/...
journals.biologists.com
Laminin α5 and integrins α3 and α6 coordinately regulate collective cell migration in vivo | Development | The Company of Biologists
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Austin Seroka @austinseroka1.bsky.social · 06/07/2026
We're excited to present a single-cell atlas of vertebrate cranial motor neuron development, the first story from my postdoctoral work in the Moens lab, up now on bioRxiv!
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Zebrafish Rock! @zebrafishrock.bsky.social · 05/07/2026
Fintastic pigmentation and illustration 😍
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Emre Yaksi @emreyaksi.bsky.social · 02/07/2026
I am excited to announce the latest paper from our lab, published in Science ! In this study, we show that thalamocortical-like circuits in the zebrafish brain process sensory information hierarchically across topographically organized forebrain circuits.
science.org
Hierarchical sensory processing in zebrafish thalamocortical-like circuits
Thalamocortical projections shape the functional regionalization and parallel sensory computations across the mammalian cortex. However, the principles of thalamocortical computations in non-mammalian...
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Zebrafish Rock! @zebrafishrock.bsky.social · 29/06/2026
Note to self: Start fish-specific preprint server and call it OnlyFins 🐟
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Melike Eren @neurowithmelike.bsky.social · 27/06/2026
www.science.org/doi/10.1126/...
science.org
Lamprey 3D single-cell transcriptomics reveals ancestral and specialized features of the vertebrate brain
The lamprey occupies a pivotal position for elucidating vertebrate brain evolution. Using spatial transcriptomics and single-nucleus RNA sequencing, we generated a three-dimensional molecular atlas of...
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Alex Eve @amjeve.uk · 26/06/2026
An interesting #devbio weekend read, and the first manuscript I've ever handled with audio files that really take you back in time.
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Phoebe Reynolds @pheereynolds.bsky.social · 23/06/2026
I’m very excited to share that our paper is now out in Neuron! 🎉
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Zebrafish Rock! @zebrafishrock.bsky.social · 23/06/2026
Fintastic opportunity to dive into #cichlid research 🐠 🔗: dcg-online.de/der-dcg-foer...
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Zebrafish Rock! @zebrafishrock.bsky.social · 23/06/2026
Into the Killiverse! 😏 New tool from @param-p-singh.bsky.social et al 🐟 #killifish 🔗 to explore: killiverse.org
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Bahl Lab @bahllab.bsky.social · 22/06/2026
New paper out: www.cell.com/iscience/ful... Congratulations to our former PhD student @maxcapelle.bsky.social whose work reveals that the switch in light preference across zebrafish development is driven by a reweighting of three parallel visual processing pathways. Check out a short summary below!
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Zebrafish Rock! @zebrafishrock.bsky.social · 22/06/2026
Very cool work from @bahllab.bsky.social 🤩 Working link: www.cell.com/iscience/ful...
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beetle moses @beetlemoses.bsky.social · 20/06/2026
Two panel comic. Panel 1: a spiral notepad is held by an off-panel individual. The notepad reads: TO DO: Peek out from behind a rock; Open and close mouth repeatedly. Panel 2: it’s a moray eel
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