FishBase
Fecundity of Thunnus obesus
Main Ref: Collette, B.B. and C.E. Nauen, 1983
Country:  
Locality: Eastern Pacific between 10° N and 10° S
Ecosystem:
Absolute Fecundity Fecundity Type: 
  min   2,900,000 (g) (cm) FL  Ref: Collette, B.B. and C.E. Nauen, 1983
  max   6,300,000 (g) (cm) FL 
  mean     (g) (cm)  
Comments on Fecundity:
Relative Fecundity
Min: Ref.:
Mean: Ref.:
Max: Ref.:
Fecundity/length relationship ( F = a * L ^b):
  Size: (cm)  
  n:
  a: 95% confidence limit:  
  b: 95% confidence limit:  
  r2:  
Spawning Cycles: (1/y)   Ref:
Comments: Some spawning is recorded throughout the year, with a peak from April through September in the northern hemisphere and between January and March in the southern hemisphere. Mature fish spawn at least twice a year. Also Ref. 127823.
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