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Larvae Information Summary for  Gaidropsarus mediterraneus
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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)     2.3 62
Preanal L. % TL        
Place of development planktonic
Larval area to be filled
Yolk-sac ovoid     Ref:  
Yolk unsegmented Oil globules one oil globuleposteriorcentral
Rows on tail no rows
Other melanophores on tail tail with single melanophore
Anus does not reach the primordial fin.
Post larvae
Striking feature other
Striking shape lateral normal (not striking) dorsal normal (not striking)
Striking feature other
Shape of gut triangular
Gas bladder   early   late  
Spinal armature   early otocystic spines only late otocystic spines only
Pigmentation early
Rows on tail no rows
Other melanophores on tail one dorso-ventral cluster or band
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail no rows
Other melanophores on tail one dorso-ventral cluster or band
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late pigmented
Peritoneum covered with melanophores
Pectorals normal  
Pelvics strikingly large or elongated striking black
At 3-5 mm large ventrals with 4 rays pigmented to the base which reach slightly beyond the anus. At 6-10 mm 2 dorsal undivided fins. A lateral caudal spot.
Meristic characters
  max min mod Ref.
Total number of vertebrae     48  
Preanal number of vertebrae     15  
  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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