Reproduction of Brevoortia tyrannus
Document source: http://www.fishbase.de/Reproduction/FishReproSummary.php?ID=1592&GenusName=Brevoortia&SpeciesName=tyrannus&fc=43&StockCode=1785
 
Main Ref. Whitehead, P.J.P., 1985
Mode dioecism
Fertilization external
Mating type
Spawning frequency two seasonal peaks per year
Spawning aggregation Ref.  
Batch spawner Ref.  
Reproductive guild nonguarders
open water/substratum egg scatterers
Parental Care none
Description of life cycle and mating behavior 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).
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(e.g. 9948)
( e.g. cephalopods )
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