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Larvae Information Summary for  Salmo trutta
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Main Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve 1993
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)     12 6390
Preanal L. % TL        
Place of development in closed nest (e.g. burrow or tunnel)
Larval area Northwestern Pacific
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal normal (not striking)
Striking feature none
Shape of gut  
Gas bladder   early   late  
Spinal armature   early   late  
Pigmentation early
Rows on tail no rows
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on trunk
Rows on tail lateral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on trunk
Larvae found in clean gravel with flowing waters.
  L 1st feeding Ref. Months of presence of larvae    Ref. 
max 25 26526 Jan Feb Mar Apr
min   May Jun Jul Aug
mod     Sep Oct Nov Dec
Water parameters     Metric characters
Entered by: Luna,Susan M. - 06.05.98
Modified by: Luna,Susan M. - 07.01.03
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