Reproduction of Diplodus annularis
Document source: http://www.fishbase.de/Reproduction/FishReproSummary.php?ID=1752&GenusName=Diplodus&SpeciesName=annularis&fc=330&StockCode=1948
 
Main Ref. Bauchot, M.-L. and J.-C. Hureau, 1986
Mode dioecism
Fertilization external
Mating type
Spawning frequency one clear seasonal peak per year
Spawning aggregation Ref.  
Batch spawner Yes.   Ref.  Metin, G. and O. Akyol, 2003
Reproductive guild nonguarders
open water/substratum egg scatterers
Parental Care none
Description of life cycle and mating behavior Normally sexes are separate but some individuals are protandrous due to geographical variation in sexual pattern (Ref. 103751). However, histological studies confirm no degenerating functional tissue of one sex (e.g. vitellogenic or later-stage follicles) and no proliferation of tissue of the other sex can be found on this species indicating the absence of sex change. This particular condition is also known as nonfunctional hermaphroditism previously known as rudimentary hermaphroditism (Ref. 91314). Also Ref. 28504.
Search for more references on reproduction Scirus
(e.g. 9948)
( e.g. cephalopods )
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