Reproduction of Carassius gibelio
Document source: http://www.fishbase.se/Reproduction/FishReproSummary.php?ID=6376&GenusName=Carassius&SpeciesName=gibelio&fc=122&StockCode=6695
 
Main Ref. Baensch, H.A. and R. Riehl, 1991
Mode parthenogenesis
Fertilization other
Mating type
Spawning frequency
Spawning aggregation Ref.  
Batch spawner Ref.  
Reproductive guild nonguarders
open water/substratum egg scatterers
Parental Care none
Description of life cycle and mating behavior Females spawn with several other species, for example Cyprinus carpio and Carassius carassius, but the eggs just develop without being actually fertilized resulting in a female only population (Ref. 2059). In Europe, populations considered as triploid and only females. But in some populations, it should be possible to find up to 25% of males which should be diploid (Ref. 40476). "There are also all-female populations in which all individuals are triploids. Triploids are sperm parasites of other cyprinid species such as Cyprinus carpio, Rutilus rutilus and Abramis brama. Older individuals spawn earlier in season than younger ones. Males move to spawning sites before females. Males follow ripe females, often with much splashing. Sticky eggs are attached to water plants or submerged objects" (Ref. 59043).
Search for more references on reproduction Scirus
(e.g. 9948)
( e.g. cephalopods )
Entered by Froese, Tom on 07.03.98
Modified by Luna, Susan M. on 09.08.17
Checked by Froese, Rainer on 03.19.04
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