繁殖の Brevoortia tyrannus
Document source: http://www.fishbase.de/Reproduction/FishReproSummary.php?GenusName=Brevoortia&ID=1592&SpeciesName=tyrannus&StockCode=1785&fc=796
 
主な参照 Whitehead, P.J.P., 1985
方法 dioecism
受精 external
Mating type
頻繁の放精 two seasonal peaks per year
Spawning aggregation 参照  
産卵期のメスの群れ 参照  
Reproductive guild nonguarders
open water/substratum egg scatterers
Parental Care none
生活サイクルと交尾行動の説明 Breeding season apparently limited by high water temperatures (20.5°C monthly mean maximum). Spawning activity occurring almost every month in some part of the range (Ref. 2472, 39013, 844). Spawning temperature ranges from 4.4°C to 23.6°C, with peak activity at 15-18°C (Ref. 39014). Salinity ranges from 10 ppt (Ref. 39015) to usually greater than 25 ppt (Ref. 844). Fecundity observed is from 38,000 to 631,000 eggs per season (Ref. 39013).
繁殖についてより多くの参考文献を検索します Scirus
(例 9948)
( 例 cephalopods )
Comments & Corrections
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