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Larvae Information Summary for  Dactylopterus volitans
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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
  max min mod Ref.
Length at birth (mm)     1.6  
Preanal L. % TL     50.5  
Place of development planktonic
Larval area to be filled
Yolk-sac       Ref:  
Yolk   Oil globules one oil globulepigmented
Rows on tail ventral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk no melanophores on head or trunk
Post larvae
Striking feature other
Striking shape lateral other dorsal normal (not striking)
Striking feature other
Shape of gut triangular
Gas bladder   early   late  
Spinal armature   early several different spines late several different 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 no rows
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late pigmented
Peritoneum covered with melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
Many cephalic spines well developed from 2.4 mm onwards.
Meristic characters
  max min mod Ref.
Total number of myomeres     22 65
  L 1st feeding Ref. Months of presence of larvae
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod 1.8   Sep Oct Nov Dec
Water parameters     Metric characters
Entered by: Papasissi,Christine - 29.10.90
Modified by: Luna,Susan M. - 18.02.91
Checked by: Giovanardi,Otello - 18.02.91
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