FishBase
Larvae Information Summary for  Physiculus rastrelliger
( not available )

Main Ref: Ambrose, D.A. 1996
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL 33 26    
Place of development planktonic
Larval area California Current region
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Post larvae
Striking feature light organs
Striking shape lateral normal (not striking) dorsal  
Striking feature light organs
Shape of gut spherical or gut loop
Gas bladder   early   late  
Spinal armature   early no spines late no spines
Pigmentation early
Rows on tail dorsal + ventral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail dorsal + ventral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late unpigmented
Pectorals strikingly large melanophores at fin base
Pelvics strikingly large or elongated with melanophores
By late preflexion stage, pigment row present along ventral tail margin and heavy patch anterior to anus; total caudal fin rays 27-32; pelvic fin rays 7; morphology similar to P. nematopus; voluminous fins. Pigmentation: Preflexion: on brain, nape, gut, jaw angle, and operculum; along cleithrum; in finfold near end of tail; by 5 mm, heavy anterior to anus, on isthmus, and internal rows dorsal and ventral to notochord at midtail. Flexion: line along ventral tail margin extending almost to trunk; row along dorsal tail margin, reduced near end of tail. Preflexion: on base of pelvic fin and pectoral fin, on pectoral fin rays, and on dorsum in anterior tail region. Juvenile: on fins, peritoneum, branchiostegal region, and scattered all over the body. Sequence of fin development: pelvics, pectorals, second dorsal and anal, first dorsal and caudal.
Meristic characters
  max min mod Ref.
Total number of vertebrae 55 50   36399
  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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