Reproduction of Isistius brasiliensis
Document source: http://fishbase.org/Reproduction/FishReproSummary.php?ID=696&GenusName=Isistius&SpeciesName=brasiliensis&fc=557&StockCode=712
 
Main Ref. Compagno, L.J.V., 1984
Mode dioecism
Fertilization internal (oviduct)
Mating type
Spawning frequency
Spawning aggregation Ref.  
Batch spawner Ref.  
Reproductive guild bearers
internal live bearers
Parental Care
Description of life cycle and mating behavior Presumably ovoviviparous; 6 or 7 large eggs have been found in ovaries (Ref. 247). Distinct pairing with embrace (Ref. 205). Viviparous, without a yolk sac placenta, 6-12 young per litter. Males mature at about 36 cm, with a maximum length of 42 cm; females mature at 39 cm, with a maximum length of 56 cm. Size at birth is unknown. (Ref. 48844).
Search for more references on reproduction Scirus
(e.g. 9948)
( e.g. cephalopods )
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