Reproduction of Brevoortia tyrannus
Document source: http://www.fishbase.se/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).
Search for more references on reproduction Scirus
(e.g. 9948)
( e.g. cephalopods )
Entered by Binohlan, Crispina B. on 10.19.90
Modified by Luna, Susan M. on 07.19.17
Checked by Torres, Armi G. on 04.03.95
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