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Larvae Information Summary for  Glossanodon leioglossus
( 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
  max min mod Ref.
Length at birth (mm)     5 69
Preanal L. % TL     75 65
Place of development planktonic
Larval area to be filled
Yolk-sac ovoid     Ref: 69
Yolk segmented Oil globules one oil globulecentralventral
Rows on tail  
Other melanophores on tail  
Melanophores on head + trunk melanophores on head + trunk
Dorso-lateral row of melanophores. Black pigmentation on the posterior extremities of the premordial fin. Oil drop of a coral red color.
Post larvae
Striking feature none
Striking shape lateral eel-like 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 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 two dorso-ventral clusters or bands
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early pigmented late pigmented
Peritoneum covered with melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent) with melanophores
seven abdominal marks at equal distances. One more mark runs obliquely from the tip of the snout back and down, on the lateral part of the head to reach the operculum after an interruption corresponding to the region of the eye.
Meristic characters
  max min mod Ref.
Total number of myomeres     51  
Preanal number of myomeres     35  
  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
Entered by: Papasissi,Christine - 29.10.90
Modified by: Papasissi,Christine - 25.05.92
Checked by: Giovanardi,Otello - 15.02.91
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