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Larvae Information Summary for  Auxis thazard
( not available )

Main Ref: Collette, B.B. and C.E. Nauen 1983
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 3.6 3.26    
Preanal L. % TL        
Place of development planktonic
Larval area to be filled
Yolk-sac spherical     Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Thirty-nine myomeres.
Post larvae
Striking feature teeth clearly visible
Striking shape lateral   dorsal normal (not striking)
Striking feature teeth clearly visible
Shape of gut triangular
Gas bladder   early   late  
Spinal armature   early opercular spines only late opercular spines only
Pigmentation early
Rows on tail ventral row
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail dorsal + ventral row
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late unpigmented
Peritoneum covered with melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
@A. thazard@ = @A. auxis@ for months of presence of larvae.
Meristic characters
  max min mod Ref.
Total number of myomeres     39 65
  L 1st feeding Ref. Months of presence of larvae
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod     Sep Oct Nov Dec
Water parameters     Metric characters
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php script by kbanasihan, 09/07/10 ,  last modified by sortiz, 09/08/17