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Larvae Information Summary for  Gonichthys cocco
( 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  
Rows on tail  
Other melanophores on tail  
Post larvae
Striking feature drop-shaped eyes
Striking shape lateral normal (not striking) dorsal normal (not striking)
Striking feature drop-shaped eyes
Shape of gut triangular
Gas bladder   early   late  
Spinal armature   early no spines late no spines
Pigmentation early
Rows on tail no rows
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head
Pigmentation late
Rows on tail no rows
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late pigmented
Pectorals normal  
Pelvics normal (i.e. small or absent)  
Oblong eyes with very elongated unpigmented conical structures. Melanophores distributed over the ventral and dorsal part of the body. At 4 mm: 34 myomeres, D 8; A 19. At 8.4 mm: D 12; A 20. Some melanophores at the base of caudal and anal fin.
  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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