FishBase
Fecundity of Thunnus alalunga
Main Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Country:  
Locality: Southern Hemisphere (between 5°S and 25°S)
Ecosystem:
Absolute Fecundity Fecundity Type: 
  min   2,000,000 (g) (cm)   Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
  max   3,000,000 (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)  
  n:
  a: 95% confidence limit:  
  b: 95% confidence limit:  
  r2:  
Spawning Cycles: (1/y)   Ref:
Comments: Spawning activity peaks during December and January (Ref. 30273, 30274). The fish form small spawning aggregations and spawn at least twice (Ref. 168) each summer (Ref. 6390). A mature female will produce between 2 and 3 million eggs each season, released in at least 2 batches (Ref. 6390). The larvae inhabit the upper 60 m where the water is warmer than 24°C (Ref. 30276). Also Ref. 127823.
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