FishBase
Larvae Information Summary for  Siphonognathus argyrophanes
( 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) 3.5      
Preanal L. % TL 69 63    
Place of development planktonic
Larval area Swan Estuary (WA)
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: 4-7 melanophores ventrally along dentary; internal melanophore series from roof of mouth to under brain, continuing dorsally over entire gut and ventrally along caudal peduncle before becoming external; 1 melanophore on posterior end of dorsal-fin anlage by 4.8 mm; pigment around notochord tip laterally on caudal peduncle. Sequence of fin formation: caudal (about 4.8->5.0 mm); dorsal (4.8->5.0 mm); anal (4.8->5.0 mm); pectoral (>5.0 mm).
Meristic characters
  max min mod Ref.
Total number of myomeres 54 53   33616
Preanal number of myomeres 32 32   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
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