Larvae Information Summary for  Trachurus mediterraneus
( not available )

Main Ref:
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL        
Place of development planktonic
Larval area to be filled
Yolk-sac ovoid   unpigmented Ref:  
Yolk segmented Oil globules one oil globuleanteriorcentralpigmented
Rows on tail no rows
Other melanophores on tail no other melanophores
Anterior edge of yolk-sac slightly passes beyond the anterior point of head. No melanophores on the primary dorsal fin as in @T. trachurus@.
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal normal (not striking)
Striking feature none
Shape of gut triangular
Gas bladder   early pigmented late pigmented
Spinal armature   early several different spines late several different spines
Pigmentation early
Rows on tail no rows
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail dorsal + lateral + ventral row
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late unpigmented
Peritoneum with row of melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
One spine on head.
  L 1st feeding Ref. Months of presence of larvae
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod 2.3   Sep Oct Nov Dec
Water parameters     Metric characters
Entered by: Papasissi,Christine - 29.10.90
Modified by: Reyes,Rodolfo B. - 05.10.94
Checked by: Giovanardi,Otello - 19.02.91
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