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Larvae Information Summary for  Sillago bassensis
( not available )

Main Ref: Neira, F.J., A.G. Miskiewicz and T. Trnski 1998
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 2.3      
Preanal L. % TL 56 44    
Place of development planktonic
Larval area coastal waters off South Australia
Yolk-sac       Ref:  
Yolk   Oil globules  
Post larvae
Striking feature  
Striking shape lateral   dorsal  
Striking feature  
Shape of gut  
Gas bladder   early   late  
Spinal armature   early   late  
Diagnostic characters: gut coils in preflexion larvae by 4.1 mm; 1 minute posterior preopercular spine in early postflexion larvae by 7.8 mm, not visible after settlement; melanophores along dorsal midline of trunk and tail reduced to 0-3 posterior to dorsal-fin base by early flexion stage; pigment reappears after settlement as a series of discrete pigment patches each comprising 3-6 pairs of stellate melanophores; 1-2 melanophores under notochord tip in preflexion larvae. Sequence of fin formation: caudal (4.4-7.3 mm); anal (5.9-10.5 mm); dorsal (5.9-10.5 mm); pectoral (7.0-10.0 mm); pelvic (7.0-12.5 mm). Larvae settle on the bottom at 12.0-13.0 mm BL.
Meristic characters
  max min mod Ref.
Total number of myomeres 35 32   33616
Preanal number of myomeres 15 11   33616
  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: Luna,Susan M. - 04.08.00
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