Reproduction of Raja radula
Document source: http://www.fishbase.org/Reproduction/FishReproSummary.php?ID=8929&StockCode=9252
 
Main Ref. Breder, C.M. and D.E. Rosen, 1966
Mode dioecism
Fertilization internal (oviduct)
Spawning frequency throughout the year, but peaking once
Batch spawner Ref.  
Reproductive guild nonguarders
open water/substratum egg scatterers
Description of life cycle and mating behavior Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Spawns throughout the year with maximum number of egg-cases laid in late spring and summer, embryos developing in about 4 months (Ref. 3167). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).
Search for more references on reproduction Scirus
(e.g. 9948)
( e.g. cephalopods )
Entered by Garilao, Cristina V. on 11.16.99
Modified by Luna, Susan M. on 02.16.04
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