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Larvae Information Summary for  Valenciennellus tripunctulatus
( not available )

Main Ref: Watson, W. 1996
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL        
Place of development planktonic
Larval area Northeastern Pacific (California Current region); Northwestern Pacific (Japan)
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail no rows
Other melanophores on tail no other melanophores
Melanophores on head + trunk no melanophores on head or trunk
Post larvae
Striking feature light organs
Striking shape lateral normal (not striking) dorsal  
Striking feature light organs
Shape of gut elongated
Gas bladder   early   late pigmented
Spinal armature   early   late  
Pigmentation early
Rows on tail no rows
Other melanophores on tail no other melanophores
Melanophores on head + trunk no melanophores on head or trunk
Pigmentation late
Rows on tail no rows
Other melanophores on tail no other melanophores
Melanophores on head + trunk no melanophores on head or trunk
Urostyle region   early unpigmented late unpigmented
Peritoneum without melanophores
Pectorals normal without melanophores
Pelvics fin rays only without melanophores
Slender gut with Sn-A/BL about 55-60% through postflexion stage; gas bladder far posterior (about myomeres 10-12); pigment only over gas bladder before transformation. Pigmentation: Preflexion-flexion: none. Postflexion: none initially, over gas bladder by about 8.5-9.0 mm. Transformation: initially over gas bladder only; on stomach by about 12.0 mm; increases over gut region; little over midbrain, few in dorsolateral series along trunk; beginning to form near end of stage. Sequence of fin development: caudal, anal, pectorals, dorsal and pelvics.
Meristic characters
  max min mod Ref.
Total number of myomeres 34 32   35838
Preanal number of myomeres 15 12   35838
  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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