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Larvae Information Summary for  Callionymus lyra
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Main Ref: Russell, F.S. 1976
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 2.08 2 2  
Preanal L. % TL        
Place of development planktonic
Larval area to be filled
Yolk-sac elongated   pigmented Ref:  
Yolk segmented Oil globules no oil globule
Rows on tail no rows
Other melanophores on tail one dorso-ventral cluster or band
Melanophores on head + trunk melanophores on head + trunk
Two patches on the dorsal primordial fin, and patches on the ventral one and in the anal region. Anus not open, short away from the end of yolk.
Post larvae
Striking feature urostyle very elongated
Striking shape lateral normal (not striking) dorsal tadpole-like
Striking feature urostyle very elongated
Shape of gut triangular
Gas bladder   early invisible late invisible
Spinal armature   early opercular spines only late opercular spines only
Pigmentation early
Rows on tail dorsal + lateral + ventral row
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail dorsal + lateral + ventral row
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late unpigmented
Peritoneum with row of melanophores
Pectorals normal with few scattered melanophores
Pelvics normal (i.e. small or absent) without melanophores
At about 4 mm length a preopercular spine appears which bifurcates at about 5 mm and becomes a three-pronged appearance at about 6 mm.
Meristic characters
  max min mod Ref.
Total number of vertebrae     21 65
  L 1st feeding Ref. Months of presence of larvae
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod 2.3   Sep Oct Nov Dec
Water parameters     Metric characters
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php script by kbanasihan, 09/07/10 ,  last modified by sortiz, 09/08/17