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Fecundity of Petromyzon marinus
Main Ref: Spratte, S and U. Hartmann, 1998
Country: Germany
Locality: Schleswig-Holstein
Ecosystem:
Absolute Fecundity Fecundity Type: 
  min   200,000 (g) (cm)   Ref:
  max   300,000 (g) (cm)  
  mean     (g) (cm)  
Comments on Fecundity:
Relative Fecundity
Min: Ref.:
Mean: Ref.:
Max: Ref.:
Fecundity/length relationship ( F = a * L ^b):
  Size: (cm) SL 
  n:
  a: 95% confidence limit:  
  b: 95% confidence limit:  
  r2:  
Spawning Cycles: (1/y)   Ref:
Comments: In spring mature specimens enter rivers. They build nests from relatively large stones. After spawning they die. Ammocoetes larvae hatch after 7-14 days and live for 2-5 years in the river bed before they metamorphose and migrate to the sea.
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