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As the largest group of extant vertebrates, fish offer an almost limitless number of striking examples of evolutionary adaptation to environmental and biotic selection pressure. The most diverse of all vertebrate groups, the higher taxa of fish traditionally have been classified by morphology and paleontology, with a much smaller input of cytogenetic information.
DNA sequence data are exerting an increasingly strong influence on modern fish systematics, challenging the classification of numerous higher taxa ranging from genera to orders. The most fruitful approach, however, involves synthetic analyses of morphology, molecular phylogenetics, comparative karyology, and genome size.
Karyotypes of more than 3400 species/subspecies are arranged here by fish systematics and include a list of genome size, sex chromosomes, B chromosomes, polyploidy, and locality of material fish, among others. Fish Karyotypes: A Check List enables both beginners and advanced researchers to survey the existing literature and facilitates the implementation of an integrative approach to fish systematics.
- Availability of fish karyotypes
- Fish vouchering and identification
- Classification of the extant fishes
- Historical transition of numbers of karyotyped species/subspecies
- Relationship between karyotype and genome size
- Database of karyotypes: How to use the database
- Journal list
"This checklist contains the descriptions of karyotypes of 3,425 fish species [...] . the author stresses the relative value of karyotyping fish for systematics and phylogeny. He provides information on karyotypes of species of cyclostomes, chondrychthyes, actinopterygians and even lobe-finned fishes (!) gathered from numerous well-known and easily accessible journals. [...] a valuable source for all those over the world, who are interested in fish chromosomes and their significance in systematics and phylogeny."
– Hartmut Greven, Bulletin of Fish Biology, Vol. 13 (1/2), 2011