LAUREN E. NADLER
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New paper accepted in Functional Ecology!

11/28/2022

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A new paper that I am co-author on was accepted for publication today in Functional Ecology! We showed that even resistant hosts develop behavioral changes following exposure to parasites. Here, we used medaka and the microsporidan parasite, Pseudoloma neurophilia , which the medaka was previously shown to be susceptible to but never developed in our cohort of fish. Early view of the paper can be found here: 
​https://besjournals.onlinelibrary.wiley.com/doi/10.1111/1365-2435.14248
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Big move done!

10/3/2022

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After endless packing, I am excited to be officially here at the University of Southampton. I had an amazing (and breezy) introduction to the Solent right at the waterfront campus' doorstep with other new lecturers on the RV Callista. More to come soon!
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First field course to Australia!

6/30/2022

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After three weeks in the field in Australia, we have returned from the first annual field "Transdisciplinary approaches to coral reef science" course, funding by the National Science Foundation's International Research Experiences for
Students track II program. We learned a ton that we can use to make the course even better in the future and think the students had an amazing experience as well. 
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Big changes for the NMBP lab!

5/27/2022

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​I am excited to announce that the NMBP lab is moving to the University of Southampton in the UK in fall 2022. I will be based at the National Oceanography Centre. This unique location on the south coast of England will allow access to the many unique marine systems close by and facilitate collaborations with the many amazing researchers at the University and close by. 
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New schooling species

3/16/2022

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​We are excited to be working a new schooling species, the tomtate grunt, Haemulon aurolineatum. We are collecting this coral reef fish species using a range of techniques to see if the metabolic rate of fish collected shifts depending on the type of collection technique used. More on this soon!
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Fish in the lab!

10/19/2021

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After a year of pandemic induced delays, I finally have fish (and snails) in my lab! Yayyy! The fish species in the lab are Fundulus similis (longnose killifish) and F. grandis (gulf killifish). Both are known second intermediate hosts for the Euhaplorchis sp. A parasite, which is found on their brain. They are infected by free-swimming larval parasites called cercariae that depart the first intermediate host, Cerithideopsis scalariformis (ladder hornsnail). With both the first and second intermediate host in the lab, I will be able to do experimental infections of the killifish to determine how they response (either behaviorally or physiologically) to these infectious parasites in their environment. I studies a closely related system in California, and found that the killifish host wasn't happy when it encountered cercariae in their environment and am interested in testing similiar ideas here. 
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Killifish galore

8/16/2021

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FUNDULUS! After a couple of failed missions to find Fundulus spp. killifish, I found the little buggers finally this past weekend. I worked with a related species in California, examining how parasites alter their behavior, and my goal is to develop a local system to continue that work. Step 1 was to find a reliable place to collect them, which I did last weekend at Spruce Creek in New Smyrna Beach, FL. Check! ☑️ First few fish already dissected with the my collaborator Chris Blanar and our students. 
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New paper in Communications Biology!

7/20/2021

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It took a few years but the last (and arguably coolest!) chapter from my PhD was published today in the journal Communications Biology. In this study, we tested how the long-lasting social bonds associated with familiarity impact anti-predator behavior (known as the fast-start response) in a schooling coral reef fish, Chromis viridis (pictured to the left, photo credit Amy Cox). In social animals living in the wild, individuals rely on their buddies to alert them if a predator is lurking, but they need to balance the risk of being eaten against the wasted energy of reacting to inaccurate information. So, individuals will alter their sensitivity to social information based on the level of familiarity in the group (and hence trust in the information’s accuracy). Through greater trust in social information, familiarity thus maximizes the benefits of group living, for example, by minimizing aggression, enhancing cooperation, and increasing lifespans. In this study, we showed that familiar groups react more quickly and with greater speed following a simulated predator attack than groups composed of unfamiliar individuals. These effects were driven by a combination of greater vigilance by the first fish to detect the predator (also known as the response initiator) and more effective information sharing with neighboring fish. As escape performance underpins survival of predator attacks, these results help us to understand why animals have evolved to prefer associating with “friends” rather than “strangers”, due to the implications for both individual and group-level survival in the wild. Check out the paper here: ​https://www.nature.com/articles/s42003-021-02407-4

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Calibrating our stereocamera for 3D video analysis with the free software Vidsync

6/17/2021

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​We had a successful day calibrating our homemade 3D stereocamera (i.e. pair of GoPro's on a PVC frame) using guidance from Vidsync (a free software for 3D analyses found here). So far so good! The camera is off to exciting places this weekend with our collaborator, Dr. Yannis Papastamatiou, to film hammerhead shark aggregations. Looking forward to seeing the awesome footage! In the meantime, my student, Maranda, will be working on analyzing the footage taken last year in the Galapagos using VidSync. 
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Fish collecting mission to Fort Pierce

6/13/2021

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I had a fun weekend up in Fort Pierce looking for some killifish (without luck). We caught LOTS of other stuff, but the killifish remain elusive. My goal is to establish the local killifish (Fundulus sp) and trematode parasite (Euhaplorchis sp) as a study system comparable to the one I studied in California (which was a different Fundulus-Euhaplorchis system). From what I hear, killifish populations in these more southern Florida localities have diminished progressively for the last 20-30 years. Time to head even further north to Cape Canaveral to see if the system is just moving further north with time (potentially with effects of climate warming?). On the plus side, I caught heaps of other social fish species that I can use for my behavioral studies in schooling fish. Plus, it was great to just get back out in the field and test out the waters for my first post-MS field work. Generally, it went well but learned a lot about my new limits and strategies for managing my health while still doing what I love. Especially in the heat, I need to rest in the shade intermittently, drink lots of cold water, and make sure to get a lot of sleep before, during, and after fieldwork. 
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