Reproduction of Isurus oxyrinchus
Document source: http://www.fishbase.se/Reproduction/FishReproSummary.php?ID=752&GenusName=Isurus&SpeciesName=oxyrinchus&fc=9&StockCode=768
 
Main Ref. Gilmore, R.G., 1993
Mode dioecism
Fertilization internal (oviduct)
Mating type monogamy:
Spawning frequency
Spawning aggregation Ref.  
Batch spawner Ref.  
Reproductive guild bearers
internal live bearers
Parental Care maternal
Description of life cycle and mating behavior Exhibit ovoviparity (aplacental viviparity), with embryos feeding on other ova produced by the mother (oophagy) after the yolk sac is absorbed (Ref. 50449). With up to 18 young in a litter (Ref. 26346). Gives birth to litters of 4-25 (usually 10-18) pups after a gestation period of 15-18 months; reproduces every 3 years (Ref.58048). Size at birth between 60 and 70 cm (Ref. 247). Distinct pairing with embrace (Ref. 205).
Search for more references on reproduction Scirus
(e.g. 9948)
( e.g. cephalopods )
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