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Spawning of   Strongylocentrotus droebachiensis
Main Ref: Starr, M., J.H. Himmelman and J.C. Therriault, 1993
Data Ref.: Stephens, R.E., 1972
Country: USA
Spawning ground:  
Locality: Boothbay Harbor, Maine
Season: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
      111                
Sex ratio:    %  Ref.:   
Temperature: 8 -   °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:  
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