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Spawning of   Bolinus brandaris
Main Ref: Ramon, M. and M.J. Amor, 2002
Data Ref.: Ramon, M. and M.J. Amor, 2002
Country: Spain
Spawning ground: coastal
Locality: Catalan Coast
Season: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  0   40 0 60 68          
Sex ratio:    %  Ref.:   
Temperature:  -   °C
Fecundity
Ref.:  
  min     (g) (cm)  
  max     (g) (cm)  
Spawning Cycles: (1/y)   Ref:  
Comment:  
Gestation period: month/s
Length of offspring: cm
Relative Fecundity: oocytes/g
Mean: oocytes/g
Min Ref.:
Max Ref.:
Mean Ref.:
Fecundity/length relationship ( F = a * L ^b):
  Size (cm)  
  n  
  a  
  b  
  r  
Batch spawners
Daily spawning frequency -
Mean:
Min Ref.:
Max Ref.:
Mean Ref.:
Comments: The reproductive cycle had two peaks (April and June -July) but the first one seems to be less important because the number of immature females is higher than the mature ones (Ref. 78158).
Entered: Conejar - Espedido, Jeniffer - 14.08.08
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