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Larvae Information Summary for  Nemadactylus macropterus
( 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) 3.2 2.9    
Preanal L. % TL 59 52    
Place of development planktonic
Larval area coastal and offshore waters of Tasmania
Yolk-sac       Ref:  
Yolk   Oil globules  
Length at birth was measured short;ly after hatching (Ref. 35296).
Post larvae
Striking feature  
Striking shape lateral   dorsal  
Striking feature  
Shape of gut  
Gas bladder   early   late  
Spinal armature   early   late  
Diagnostic characters: body moderate to deep from 12.5 mm (BD >35%); two ventral keels, anterior extending from isthmus to anus and prominent, posterior along caudal peduncle and less obvious; conspicuous melanophore above angle of lower jaw from flexion stage; 8-10 melanophores along ventral midline of tail. Sequence of fin formation: caudal (4.2-7.2 mm); dorsal (4.6-12.4 mm); anal (4.6-12.4 mm); pectoral (6.4-12.4 mm); pelvic 7.4-12.4 mm). Larvae have been caught in coastal and offshore waters of Tasmania from March to June (Ref. 35294). Larvae settle at the bottom at 60.0-80.0 mm BL (Ref. 28625).
Meristic characters
  max min mod Ref.
Total number of myomeres 36 34   33616
Preanal number of myomeres 15 14   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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