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Larvae Information Summary for  Creedia haswelli
( 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      
Preanal L. % TL 58 46    
Place of development planktonic
Larval area coastal waters off Perth (WA); Botany Bay (NSW); coastal waters of central New South Wales
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 initially straight, with a single coil and striations from 4 mm; 1-6 posterior preopercular spines; melanophore series along dorsal midline of trunk and tail; series along dorsal-fin base paired from flexion stage, series along trunk disappears from early postflexion stage. Sequence of fin formation: caudal (4.6-7.5 mm); dorsal (5.4-7.5 mm); anal (5.4-7.5 mm); pelvic (6.5->11.4 mm); pectoral (7.0->11.4 mm). Larvae settle on the bottom at 11.4-16.3 mm BL.
Meristic characters
  max min mod Ref.
Total number of myomeres 45 41   33616
Preanal number of myomeres 21 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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