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Larvae Information Summary for  Dicentrarchus labrax
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Main Ref: Russell, F.S. 1976
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 4.05 3.61 3.83  
Preanal L. % TL 58.8 51 54.5  
Place of development planktonic
Larval area Mediterranean
Yolk-sac elongated   pigmented Ref:  
Yolk unsegmented Oil globules one oil globuleposteriorventralpigmented
Rows on tail dorsal + ventral row
Other melanophores on tail one dorso-ventral cluster or band
Melanophores on head + trunk melanophores on head + trunk
Anus situated some distance behind the yolk sac. A row of ventral melanophores on the upper side of the alimentary canal.
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal normal (not striking)
Striking feature none
Shape of gut tube-like
Gas bladder   early invisible late invisible
Spinal armature   early no spines late no spines
Pigmentation early
Rows on tail dorsal + ventral row
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 with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early pigmented late pigmented
Peritoneum covered with melanophores
Pectorals normal without melanophores
Pelvics normal (i.e. small or absent)  
Continous line of melanophores stretching from the snout to the base of the caudal fin. Dorsal and lateral row of melanophores only in the posterior part of the tail.
Meristic characters
  max min mod Ref.
Total number of vertebrae     25 263
  L 1st feeding Ref. Months of presence of larvae  
max 6   Jan Feb Mar Apr
min 5   May Jun Jul Aug
mod 5.5   Sep Oct Nov Dec
Water parameters     Metric characters
Entered by: Papasissi,Christine - 19.10.90
Modified by: Luna,Susan M. - 17.07.02
Checked by: Giovanardi,Otello - 15.02.91
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