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Larvae Information Summary for  Nannobrachium nigrum
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Main Ref: Halbeisen, H.-W. 1988
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 teeth clearly visible
Striking shape lateral normal (not striking) dorsal normal (not striking)
Striking feature teeth clearly visible
Shape of gut triangular
Gas bladder   early   late  
Spinal armature   early   late  
Rows on tail no rows
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Peritoneum covered with melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
Teeth clearly visible. Few melanophores on head, trunk and tail.
  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: Froese,Rainer - 12.09.96
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