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Larvae Information Summary for  Hyperlophus vittatus
( not available )

Main Ref: Miskiewicz, A.G. and F.J. Neira 1998
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)     2.6 33617
Preanal L. % TL 78 70    
Place of development planktonic
Larval area Lake Macquarie, Sydney Harbour, Botany Bay, Swan and Peel-Harvey estuaries
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Post larvae
Striking feature none
Striking shape lateral short and/or deep dorsal compressed
Striking feature none
Shape of gut elongated
Gas bladder   early   late pigmented
Spinal armature   early   late  
Pigmentation early
Rows on tail dorsal + ventral row
Other melanophores on tail one dorso-ventral cluster or band
Melanophores on head + trunk melanophores on trunk
Pigmentation late
Rows on tail ventral row
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early pigmented late pigmented
Peritoneum with row of melanophores
Pectorals fin rays only without melanophores
Pelvics fin rays only with melanophores
Diagnostic characters: cross-hatched pattern of muscle fibers visible until 13 mm; anus migrates anteriorly from myomere 36 to 33 between 4.7 and 30.7 mm; posterior end of dorsal fin 1-3 myomeres in front of origin of anal fin, not overlapping anal fin. Pigment: 2-5 melanophores above and below notochord tip. Sequence of fin development: dorsal (6.3-13.0 mm); caudal (6.3-13.0 mm); anal (6.3-13.0 mm); pelvic (13.0-20.0 mm); pectoral (20.0-25.8 mm). Gas bladder inflated only in larvae caught at night. Larvae have been caught in Western Australia in coastal waters off Perth from May to November, with peak abundances between July and September, and in the Swan Estuary in all months except February, with peak abundances in May and October (Ref. 33819, 33820); and in New South Wales entering Lake Macquarie from September to July (Ref. 33621), entering Tuggerah Lakes from january to May and October (Ref. 33821), and in coastal waters off Sydney throughout the year (Ref. 33822, 33823).
Meristic characters
  max min mod Ref.
Total number of myomeres 48 46   33617
Preanal number of myomeres 36 33   33617
  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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