Original title: Existují pohlavní rozdíly v žaberních aparátech našich kaprovitých ryb?
Translated title: Are there sexual differences in branchial sieves in Czech cyprinids?
Authors: BARTOŇ, Daniel
Document type: Bachelor's theses
Year: 2015
Language: cze
Abstract: The main objective of presented review is to describe filter-feeding adjustments in common Czech cyprinid fish (common bream Abramis brama, roach Rutilus rutilus and bleak Alburnus alburnus) in the context of inter-sex differences. Branchial sieve used for filtering small particles is formed by branchial arches and connected branchial rakers. Shape, structure, size and number of branchial rakers are crucial for efficiency of filter-feeding. These parameters differ between species as well as between populations within individual species. Target cyprinid species have been described to have size sexual dimorphism with females being bigger due to fecundity increasing with size. Differing energy investments to gonads may result in habitat segregation of sexes and potential adjustments of branchial sieves in sexes according to habitat-specific prey availability.
Citation: BARTOŇ, Daniel. Existují pohlavní rozdíly v žaberních aparátech našich kaprovitých ryb?. České Budějovice, 2015. bakalářská práce (Bc.). JIHOČESKÁ UNIVERZITA V ČESKÝCH BUDĚJOVICÍCH. Přírodovědecká fakulta

Institution: University of South Bohemia in České Budějovice (web)
Document availability information: Fulltext is available in the Digital Repository of University of South Bohemia.
Original record: http://www.jcu.cz/vskp/33839

Permalink: http://www.nusl.cz/ntk/nusl-188066


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Universities and colleges > Public universities > University of South Bohemia in České Budějovice
Academic theses (ETDs) > Bachelor's theses