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Front. Microbiol. | doi: 10.3389/fmicb.2018.00873

The gut microbiota of marine fish

 Sian Egerton1, 2, Sarah Culloty2, 3, Jason Whooley4,  Catherine Stanton5, 6 and  Paul Ross1, 5, 6*
  • 1School of Microbiology, University College Cork, Ireland
  • 2School of Biological, Earth and Environmental Sciences, University College Cork, Ireland
  • 3Environmental Research Institute, University College Cork, Ireland
  • 4Bio-marine Ingredients Ireland Ltd., Ireland
  • 5Teagasc Food Research Centre, Moorepark, Ireland
  • 6APC Microbiome Institute, University College Cork, Ireland

The body of work relating to the gut microbiota of fish is dwarfed by that on humans and mammals. However; it is a field that has had historical interest and has grown significantly along with the expansion of the aquaculture industry and developments in microbiome research. Research is now moving quickly in this field. Much recent focus has been on nutritional manipulation and modification of the gut microbiota to meet the needs of fish farming, while trying to maintain host health and welfare. However, the diversity amongst fish means that baseline data from wild fish and a clear understanding of the role that specific gut microbiota play is still lacking. We review here the factors shaping marine fish gut microbiota and highlight gaps in the research.

Keywords: Intestinal bacteria, microbial ecology, Metagenomics, dietary intervention, Salmon, Marine teleost, trophic levels, probiotics and prebiotics, Aquaculture

Received: 20 Dec 2017; Accepted: 16 Apr 2018.

Edited by:

Michael Travisano, University of Minnesota, United States

Reviewed by:

Nastassia V. Patin, Georgia Institute of Technology, United States
Thomas Sharpton, Oregon State University, United States  

Copyright: © 2018 Egerton, Culloty, Whooley, Stanton and Ross. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Prof. Paul Ross, University College Cork, School of Microbiology, Cork, Ireland,