Partial migration in fishes: definitions, methodologies and taxonomic distribution

Authors: Chapman, B. B.; Skov, C.; Hulthén, K.; Brodersen, J.; Nilsson, P. A.; Hansson, L.-A.; Brönmark, C.

Source: Journal of Fish Biology, Volume 81, Number 2, 1 July 2012 , pp. 479-499(21)

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Abstract:

Partial migration, where populations are composed of both migratory and resident individuals, is extremely widespread across the animal kingdom. Researchers studying fish movements have long recognized that many fishes are partial migrants, however, no detailed taxonomic review has ever been published. In addition, previous work and synthesis has been hampered by a varied lexicon associated with this phenomenon in fishes. In this review, definitions and important concepts in partial migration research are discussed, and a classification system of the different forms of partial migration in fishes introduced. Next, a detailed taxonomic overview of partial migration in this group is considered. Finally, methodological approaches that ichthyologists can use to study this fascinating phenomenon are reviewed. Partial migration is more widespread amongst fishes than previously thought, and given the array of techniques available to fish biologists to study migratory variation the future of the field looks promising.

Document Type: Editorial

DOI: http://dx.doi.org/10.1111/j.1095-8649.2012.03349.x

Publication date: 2012-07-01