Reproduction of Thunnus maccoyii
Document source: http://www.fishbase.de/Reproduction/FishReproSummary.php?ID=145&GenusName=Thunnus&SpeciesName=maccoyii&fc=416&StockCode=159
 
Main Ref. Collette, B.B. and C.E. Nauen, 1983
Mode dioecism
Fertilization external
Mating type
Spawning frequency one clear seasonal peak per year
Spawning aggregation Ref.  
Batch spawner Yes.   Ref.  Thorogood, J., 1986
Reproductive guild nonguarders
open water/substratum egg scatterers
Parental Care none
Description of life cycle and mating behavior It is not known whether all mature fish spawn each year, every few years, or even only once in their lifetime (Ref. 30320).
Search for more references on reproduction Scirus
(e.g. 9948)
( e.g. cephalopods )
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