Larvae Information Summary for Diplodus sargus
( not available )

Main Ref: Bertolini, F., U. D'Ancona, E. Padoa Montalenti, S. Ranzi, L. Sanzo, A. Sparta, E. Tortonese and M. Vialli 1956
Yolk-sac larvae
  min max mod Ref.
Length at birth (mm)     2.9  
Preanal L. % TL 32.5 45 38.7  
Place of development planktonic
Larval area Mediterranean; Southeastern Atlantic
Yolk-sac elongated   unpigmented Ref:  
Yolk unsegmented Oil globules one oil globuleposteriorpigmented
Rows on tail dorsal + ventral row
Other melanophores on tail one dorso-ventral cluster or band
Melanophores on head + trunk melanophores on head + trunk
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 no spines late  
Pigmentation early
Rows on tail ventral row
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head
Pigmentation late
Rows on tail 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 with row of melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
At 7.5mm in the operculum region 2 crests without teeth. The spinal column is bent slightly in the dorsal direction. 3-4 postanal melanophores laterally and 3-4 dorsaly; not always clearly visible.
Meristic characters
  min max mod Ref.
Total number of vertebrae     24  
  L 1st feeding Ref. Months of presence of larvae  
max 4   Jan Feb Mar Apr
min 3.7   May Jun Jul Aug
mod 3.9   Sep Oct Nov Dec
Water parameters     Metric characters
Comments & Corrections

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