nkduy
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Product Details
- Series: Monographs in Evolutionary Biology
- Paperback: 660 pages
- Publisher: ---
- Pub Year: April 1, 1984
- Language: English
- ISBN-10: 1468446541
- ISBN-13: 978-1468446548
Book Description
Since classical times, and perhaps even before, ichthyologists have stood in awe at the tremendous diversity of fishes. The bulk of effort in
the field has always been directed toward understanding this diversity, i.e., extracting from it a coherent picture of evolutionary processes and lineages. This effort has, in turn, always been overwhelmingly based upon morphological comparisons. The practical advantages of such comparisons, especially the ease with which morphological data can be had from preserved museum specimens, are manifold. This collection of reviews is thus designed, in part, to demonstrate the power of integrated genetic approaches to ichthyological problems. No morphological comparisons alone could have detected the role of ancient tetraploidy in the evolution of the salmonid or catostomid fishes, detected the existence of parthenoforms (much less probed their clonal population structure), or elucidated the role of natural selection in modulating plate numbers in stickleback populations. Moreover, morphological comparisons have already failed, and failed rather badly, to resolve the relationships of the Atlantic eels or to make much sense of the vast, and biologically important, radiations that are the cyprinid
and cichlid fishes.
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