What is a fish species?

What is a fish species? The formal processes of alpha-taxonomy ensure that species have uniquenames and can be identified. No similar process is mandatory forinfraspecific variation, so the species is a uniquely importantpractical term. At present, there is little agreement of the definitionof a species. In the last 30 years, numerous concepts have beenproposed. The nature of fish species is reviewed. Clonal inheritance ofnuclear genes occurs in several lineages. Hybridization is frequent,often leading to introgression, which may lead to extinction of species.Species may have hybrid origins. There is good evidence for parallelspeciation in similar habitats. There are clearly exceptions to thecladistic assumption of dichotomous branching during speciation. Siblingspecies may exist with no discernible niche differentiation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Reviews in Fish Biology and Fisheries Springer Journals

What is a fish species?

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 1999 by Kluwer Academic Publishers
Subject
Life Sciences; Freshwater & Marine Ecology; Zoology
ISSN
0960-3166
eISSN
1573-5184
D.O.I.
10.1023/A:1008903228512
Publisher site
See Article on Publisher Site

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