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Larvae Information Summary for  Chromis chromis
( 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)     2.8 95
Preanal L. % TL     35 95
Place of development in close association with substrate
Larval area Mediterranean
Yolk-sac ovoid   pigmented Ref:  
Yolk segmented Oil globules one oil globuleposteriorventralpigmented
Rows on tail ventral row
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Two or three large postanal dorsal melanophores and sometimes 1 or 2 medio-lateral branched melanophores. One melanophore on anterior end of eye and 1 on crown of head.
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal normal (not striking)
Striking feature none
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 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 tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late unpigmented
Peritoneum covered with melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
Meristic characters are fairly constant: D 14/11; A 2/11; C 19 (spines not counted); P 18-20; V 1/5.
Meristic characters
  max min mod Ref.
Total number of vertebrae     26  
  L 1st feeding Ref. Months of presence of larvae    Ref. 
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: Luna,Susan M. - 17.07.02
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