Reprodução de Raja polystigma
Document source: http://fishbase.se/Reproduction/FishReproSummary.php?GenusName=Raja&ID=9283&SpeciesName=polystigma&StockCode=9605&fc=19
 
Ref. principal Breder, C.M. and D.E. Rosen, 1966
Modo dioecism
Fertilização internal (oviduct)
Mating type
Frequência de desova
Spawning aggregation Ref.  
Desova em lotes Ref.  
Grupo reprodutivo nonguarders
open water/substratum egg scatterers
Parental Care none
Descrição do ciclo de vida e do comportamento reprodutor Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Ripe females occurring mostly in the winter and deposit 20 to 62 egg-cases per year depending on size (Ref. 3167). Distinct pairing with embrace. Y oung may tend to follow large objects, such as their mother (Ref. 205).
Procurar por mais referências sobre reprodução Scirus
(ex. 9948)
( ex. cephalopods )
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