HELPING CORALS DO THEIR THING

We strive to do research that no one else is doing, especially if no one else can do it. That means long hours underwater, longer hours in the lab, and the challenge of hacking protocols together until new methods and corals are born. Then we share what we learned, and take on an even tougher challenge. It's not easy. But it's important, it's fun, and it's working. Here's a photo tour of what we do and how we serve our fellow scientists... (In mobile view, tap photos for captions.)

SWIMMING CORAL LARVAE

Do you have 60 seconds? Here's a video of coral larvae swimming in the lab. These animals can live for a thousand years and grow to be car-sized, at which point they no longer fit into the Petri dishes. 

CORAL SPAWNING WEBINAR

Do you have a hundred times more time than that? Here's a webinar about coral spawning methods and the next set of challenges for our field. It's aimed at restoration groups, but we suspect there's a much bigger coral fan club out there.

RECENT PRESS CLIPS

RECENT PUBLICATIONS & PREPRINTS

  • PREPRINT: Hagedorn, M., C.A. Page, K. O'Neill, D.M. Flores, L. Tichy, V.F. Chamberland, C. Lager, N. Zuchowicz, K. Lohr, H. Blackburn, T. Vardi, J. Moore, T. Moore, M.J.A. Vermeij, and K.L. Marhaver. 2018. Successful demonstration of Assisted Gene Flow in the threatened coral Acropora palmata across genetically-isolated Caribbean populations using cryopreserved sperm. DOI: 10.1101/492447 PDF

  • Hartmann, A.C., K.L. Marhaver, A. Klueter, M. Lovci, C.J. Closek, E. Diaz, V.F. Chamberland, F.I. Archer, D.D. Deheyn, M.J.A. Vermeij, and M. Medina. 2018. Acquisition of obligate mutualist symbionts during the larval stage is not beneficial for a coral host. Molecular Ecology DOI: 10.1111/mec.14967 OpenAccess Coming Soon

  • Ruttenberg, B., J.E. Caselle, A.J. Estep, A.E. Johnson, K.L. Marhaver, L.J. Richter, S.A. Sandin, M.J.A. Vermeij, J.E. Smith, and D. Grenda. 2017. Ecological assessment of the marine ecosystems of Barbuda, West Indies: Using rapid scientific assessment to inform ocean zoning and fisheries management. PLoS ONE. 13(1): e0189355. DOI: 10.1371/journal.pone.0189355 OpenAcess

  • Hartmann, A.C., K.L. Marhaver, and M.J.A. Vermeij. 2017. Corals in healthy populations produce more larvae per polyp. Conservation Letters Online ahead of press. Altmetric Top 5%. DOI: 10.111/conl.12410 PDF

  • Chamberland, V.F., S. Snowden, K.L. Marhaver, D. Petersen, and M.J.A. Vermeij. 2017. The reproductive biology and early life ecology of a common Caribbean brain coral, Diploria labyrinthiformis (Scleractinia: Faviinae). Coral Reefs 36(1):83-94. DOI: 10.1007/s00338-016-1504-2 PDF

  • Marhaver, K.L., M.J.A. Vermeij, and M.M. Medina. 2015. Reproductive natural history and successful juvenile propagation of the threatened Caribbean Pillar Coral Dendrogyra cylindrus. BMC Ecology 15:9. Altmetric Top 5%. DOI: 10.1186/s12898-015-0039-7 OpenAccess

  • Hartmann, A.C., S.A. Sandin, V.F. Chamberland, K.L. Marhaver, J. de Goeij, and M.J.A. Vermeij. 2015. Crude oil contamination interrupts settlement of coral larvae after direct exposure ends. Marine Ecology Progress Series 536:163-173. DOI: 10.3354/meps11437 OpenAccess

  • Marhaver, K.L., M.J.A. Vermeij, F. Rohwer, and S.A. Sandin. 2013. Janzen-Connell effects in a broadcast-spawning Caribbean coral: distance-dependent survivorship of larvae and settlers. Ecology 94(1):146-160. Featured in Faculty of 1000. DOI: 10.1890/12-0985.1 PDF

  • Gregg, A.K., M. Hatay, A.F. Haas, N. Robinett, K.L. Barott, M.J.A. Vermeij, K.L. Marhaver, and F. Rohwer. 2013. Biological oxygen demand optode analysis of coral reef-associated microbial communities exposed to algal exudates. Peer J 1:e107. DOI: 10.7717/peerj.107 OpenAccess

  • Hartmann, A.C., K.L. Marhaver, V.F. Chamberland, S.A. Sandin, and M.J.A. Vermeij. 2013. Large size at birth does not buffer negative latent effects of harsh pelagic environments in early life stage corals. Ecology 94(9):1966-1976. DOI: 10.1890/13-0161.1 PDF

  • Vermeij, M.J.A., R. van der Heijden, J. Olthuis, K.L. Marhaver, J.E. Smith, and P. Visser. 2013. Survival and dispersal of macroalgae consumed by herbivorous coral reef fishes. Oecologia 171(2):417-425. DOI: 10.1007/s00442-012-2436-3 PDF

  • Barott, K.L., B. Rodriguez-Mueller, M. Youle, K.L. Marhaver, M.J.A. Vermeij, J.E. Smith, F.L. Rohwer. 2012. Microbial to reef scale interactions between the reef-building coral Montastraea annularis and benthic algae. Proceedings of the Royal Society B – Biological Sciences 279(1733):1655-64. DOI: 10.1098/rspb.2011.2155 OpenAccess

  • Marhaver, K.L. 2011. Bleaching corals of two species appear to feed from neighboring algal turfs. Coral Reefs 30(3):651. DOI: 10.1007/s00338-011-0782-y OpenAccess

  • Barott, K.L., B. Rodriguez-Brito, J. Janouškovec, K.L. Marhaver, J.E. Smith, P. Keeling, and F.L. Rohwer. 2011. Microbial diversity associated with four functional groups of benthic reef algae and the reef-building coral Montastraea annularis. Environmental Microbiology 13(5):1192-1204. DOI: 10.1111/j.1462-2920.2010.02419.x PDF

  • Vermeij, M.J.A., K.L. Barott, A.E. Johnson, and K.L. Marhaver. 2010. Release of eggs from tentacles in a Caribbean coral. Coral Reefs 29(2): 411. DOI: 10.1007/s00338-010-0595-4 OpenAccess

  • Vermeij, M.J.A., K.L. Marhaver, I. Nagelkerken, C. Huijbers, and S.P. Simpson. 2010. Coral larvae toward reef sounds. PLoS One 5(5): e10660. OpenAccess

  • Marhaver, K.L., R.A. Edwards, and F. Rohwer. 2008. Viral communities associated with healthy and bleaching corals. Environmental Microbiology 10(9): 2277-2286. DOI: 10.1111/j.1462-2920.2008.01652.x OpenAccess

RECENT STUDENT PROJECTS & THESES

  • Daisy Flores 2018. Advancing the application of cryopreservation and bacterial probiotic tools to the propagation of endangered coral species. Master's Internship.

  • Lucas Tichy 2018. Accelerating the efficiency of coral larval propagation with novel rearing, culturing, and settlement methods. Master's Internship.

  • Kiki Bals. 2017. When is a brooder not truly a brooder? Histological and behavioral investigations into coral reproductive timing and mode. Bachelor's Internship.

  • Nadine da Silva. 2016. Unraveling the family secrets of Colpophyllia natans: Cryptic speciation or intraspecific variation? Master's Internship. (Co-supervisor)

  • Roxane Borruat. 2016. The morphological diversity of the coral family Meandrinidae: Phenotypic divergence of Dichocoenia sp. and Meandrina spp. related to environmental factors. Master's Internship. (Co-supervisor)

  • Ilse van der Meij. 2016. Microbial ecology of juvenile Caribbean corals: How do coral-microbe and microbe-microbe interactions affect coral larval behavior? Bachelor's Thesis. *Received the 2016 Kelly Scientific Thesis Award at UAS Leiden.

  • Petra Nobs. 2016. Settlement decisions of larvae from the stony coral Favia fragum (Esper) in response to bacterial isolates from crustose coralline algae (CCA). Bachelor's Internship.

  • Johanna Gijsbers-Alejandre. 2016. Microbial tools for the conservation of Caribbean corals. Bachelor's Thesis.
  • Robert-Jan van der Houwen. 2015. Mapping and analyzing fertilization biology of the Caribbean coral Colpophyllia natans. Bachelor's Internship.
  • Gijs van Arkel. 2015. Competition between potential coral probiotics and pathogens. Bachelor's Thesis.

  • Rémon Malawauw and Callum Reid. 2015. Assessing population structure and niche differentiation of the coral family Meandrinidae. Bachelor's Internship.

  • Bruce Sellmeijer. 2015. Coral larvae chemotaxis and the ecology of coral probiotic bacteria. Master's Internship.

  • Mirthe Wiltink. 2015. The ecology of coral probiotic bacteria and their potential use as a tool in reef restoration. Master's Internship.

  • Michiel Klaassen. 2014. Testing the Janzen-Connell hypothesis in the brooding Caribbean coral species Favia fragum. Master's Internship.

  • Anoek van Leeuwen. 2014. Examining evidence for coral speciation mechanisms using ecological and genetic differences in four closely-related species of the Meandrinidae family. Bachelor's Thesis.

  • Christopher M. White, 2014. Role of surface characteristics and mobile invertebrates on settlement choices and post-settlement survivorship of three scleractinian coral species. Master's Thesis.

OUR GENEROUS OPTIMISTS: SUPPORTERS OF THE CAUSE

  • The extremely good-looking Marhaver Lab Patrons

  • NSF's Growing Convergence Research Program

  • The Paul G. Allen Family Foundation

  • National Geographic Committee for Research and Exploration

  • WINGS WorldQuest

  • NSF IOS Behavioral Systems

  • NSF OCE Postdoctoral Research Fellowship in Ocean Sciences

  • NSF DDIG in Animal Behavior

  • Scripps Institution of Oceanography Stout Family Fellowship

  • NSF IGERT Fellowship

  • NSF Graduate Research Fellowship

© 2017 The Marhaver Lab. 

Photo requests? Glaring typos? Oh good!

Please tell: generalstuff@marhaverlab.com

  • @CoralSci
Pioneering Next-Generation Tools

We achieved the first successful fertilization of Elkhorn coral eggs with cryopreserved sperm, allowing large-scale gene banking and assisted gene flow in this and other threatened coral species. Here: Elkhorn corals born at CARMABI using cryopreserved sperm. Photo: Chris Page

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