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Larvae Information Summary for  Callionymus reticulatus
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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 50      
Place of development planktonic
Larval area to be filled
Yolk-sac elongated     Ref: 37
Yolk segmented Oil globules no oil globule
Rows on tail  
Other melanophores on tail  
Preanal length of newly-hatched larva is greater than 50% of NL, but it declines to less than 50% within several hours after hatching.
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 no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail dorsal + lateral + ventral row
Other melanophores on tail no other 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
A preopercular spine appears at 5 mm length, bifurcates at 7-8 mm, and the tip of the ventral branch slightly bifurcates again at a length of 10 mm.
  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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