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The ways in which fish use estuaries: a refinement and expansion of the guild approach

Potter, Ian C.; Tweedley, James R.; Elliott, Michael; Whitfield, Alan K.


Ian C. Potter

James R. Tweedley

Professor Mike Elliott
Professor of Estuarine and Coastal Sciences/ Research Professor, Institute of Estuarine and Coastal Studies

Alan K. Whitfield


© 2013 John Wiley & Sons Ltd. This study refines, clarifies and, where necessary, expands details of the guild approach developed by Elliott et al. (2007, Fish and Fisheries 8: 241-268) for the ways in which fish use estuaries. The estuarine usage functional group is now considered to comprise four categories, that is, marine, estuarine, diadromous and freshwater, with each containing multiple guilds. Emphasis has been placed on ensuring that the terminology and definitions of the guilds follow a consistent pattern, on highlighting the characteristics that identify the different guilds belonging to the estuarine category and in clarifying issues related to amphidromy. As the widely employed term 'estuarine dependent' has frequently been imprecisely used, the proposal that the species found in estuaries can be regarded as either obligate or facultative users of these systems is supported and considered in the guild context. Thus, for example, species in the five guilds comprising the diadromous category and those in the guilds containing species or populations confined to estuaries are obligate users, whereas those in the marine and freshwater estuarine-opportunistic guilds are facultative users.

Publication Date 2015-06
Journal Fish and fisheries
Print ISSN 1467-2960
Electronic ISSN 1467-2979
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 16
Issue 2
Pages 230-239
APA6 Citation Potter, I. C., Tweedley, J. R., Elliott, M., & Whitfield, A. K. (2015). The ways in which fish use estuaries: a refinement and expansion of the guild approach. Fish and Fisheries, 16(2), 230-239.
Keywords Estuaries; Estuarine dependence; Estuarine usage; Fishes; Guilds
Publisher URL
Copyright Statement © 2013 John Wiley & Sons Ltd
Additional Information This is the accepted version of an article published in: Fish and fisheries, 2013, v.16 issue 2.


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