Reproduction of Rhinobatos hynnicephalus
Document source: http://fishbase.de/Reproduction/FishReproSummary.php?ID=10135&GenusName=Rhinobatos&SpeciesName=hynnicephalus&fc=17&StockCode=10458
 
Main Ref. Wenbin, Z. and Q. Shuyuan, 1993
Mode dioecism
Fertilization internal (oviduct)
Mating type
Spawning frequency one clear seasonal peak per year
Spawning aggregation Ref.  
Batch spawner Ref.  
Reproductive guild bearers
internal live bearers
Parental Care
Description of life cycle and mating behavior Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Off southern China, the gestation period is about one year and parturition takes place in June or July.
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