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Larvae Information Summary for  Lophius piscatorius
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Main Ref: Russell, F.S. 1976
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 4.5 4 4.3  
Preanal L. % TL 51.4 33 38 65
Place of development planktonic
Larval area to be filled
Yolk-sac spherical   pigmented Ref:  
Yolk unsegmented Oil globules one oil globuleposteriorcentralpigmented
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
A hump-like projection into the dorsal primordial fin corresponds to the third ray of the fully-formed fin. Pelvic fins are very elongated.
Post larvae
Striking feature some dorsal fin rays very elongated
Striking shape lateral other dorsal  
Striking feature some dorsal fin rays very elongated
Shape of gut aberrant
Gas bladder   early invisible late invisible
Spinal armature   early no spines late no spines
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Rows on tail no rows
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late unpigmented
Peritoneum covered with melanophores
Pectorals normal without melanophores
Pelvics with elongated fin rays with melanophores
At a length of about 11 mm, the first dorsal fin has 5 rays. The pelvic fin consists of 4 rays which will be later 5, and which extend towards the tail. Presence of filament before the dorsal fin.
Meristic characters
  max min mod Ref.
Total number of vertebrae     31 65
  L 1st feeding Ref. Months of presence of larvae
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod 6.5   Sep Oct Nov Dec
Water parameters     Metric characters
Entered by: Papasissi,Christine - 19.10.90
Modified by: Luna,Susan M. - 28.02.91
Checked by: Giovanardi,Otello - 15.02.91
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