Reproduction of Carassius auratus
Document source: http://www.fishbase.se/Reproduction/FishReproSummary.php?ID=271&GenusName=Carassius&SpeciesName=auratus&fc=122&StockCode=285
 
Main Ref. Jones, P.W., F.D. Martin and J.D. Hardy Jr., 1978
Mode dioecism
Fertilization external
Mating type promiscuity
Spawning frequency one clear seasonal peak per year
Spawning aggregation Ref.  
Batch spawner Ref.  Smith, H.M., 1909
Reproductive guild nonguarders
open water/substratum egg scatterers
Parental Care none
Description of life cycle and mating behavior Cold water temperatures during the winter months are necessary for proper ova development (Ref. 44091). Spawning takes place in shallow water among weeds, often where willow roots grow exposed in water (Ref. 39171), also meadows inundated by spring flood (Ref. 39176). Spawning activity begin just before dawn (Ref. 39168), to midafternoon (Ref. 39177). Individual fish spawn 3-10 lots of eggs at intervals of 8-10 days (Ref. 39180). Juveniles need high temperature to grow. Eggs are sticky, attached to water plants or submerged objects (Ref. 59043). Females spawn multiple times during the spawning period (Ref. 88808).
Search for more references on reproduction Scirus
(e.g. 9948)
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Entered by Agustin, Liza Q. on 11.12.93
Modified by Luna, Susan M. on 12.05.11
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