FishBase
Larvae Information Summary for  Helicolenus percoides
( 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) 1.9      
Preanal L. % TL 60 40    
Place of development  
Larval area coastal waters off Sydney (NSW) and Tasmania
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal compressed
Striking feature none
Shape of gut spherical or gut loop
Gas bladder   early invisible late pigmented
Spinal armature   early several different spines late several different spines
Pigmentation early
Rows on tail ventral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail ventral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late unpigmented
Peritoneum with row of melanophores
Diagnostic characters: dermal sac encloses most of body; mass of spongy tissue above trunk from late preflexion stage; supraocular, parietal and posterior preopercular spines finely serrate by late flexion stage; 6-8 melanophores along ventral midline of tail, between myomeres 7-15. Sequence of fin formation: caudal (4.8-7.7 mm); pectoral (5.4-8.5 mm); dorsal (5.5-9.0 mm); anal (5.5-9.0 mm); pelvic (7.7-8.2 mm). Larvae are present in coastal waters off Sydney (NSW) from May to December (Ref. 33622), and Tasmanian coastal waters from October to February (Ref. 35142, 35143).
Meristic characters
  max min mod Ref.
Total number of myomeres 25 24   33616
Preanal number of myomeres 10 8   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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