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Larvae Information Summary for  Grammonus ater
( 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)        
Preanal L. % TL        
Place of development  
Larval area to be filled
Yolk-sac       Ref:  
Yolk   Oil globules  
Post larvae
Striking feature other
Striking shape lateral other dorsal compressed
Striking feature other
Shape of gut elongated
Gas bladder   early   late  
Spinal armature   early   late no spines
Rows on tail dorsal + lateral + ventral row
Other melanophores on tail two dorso-ventral clusters or bands
Melanophores on head + trunk melanophores on head + trunk
Peritoneum without melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
Number of finrays: D 90; A 75; C 12.
  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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