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Larvae Information Summary for  Fistularia corneta
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Main Ref: Watson, W. and E.M. Sandknop 1996
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 4 3.5    
Preanal L. % TL        
Place of development planktonic
Larval area California Current region
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail ventral row
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Post larvae
Striking feature tube-like snout
Striking shape lateral eel-like dorsal  
Striking feature tube-like snout
Shape of gut tube-like
Gas bladder   early   late  
Spinal armature   early   late  
Pigmentation early
Rows on tail ventral row
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Rows on tail ventral row
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Pectorals normal without melanophores
Pelvics fin rays only without melanophores
Myomeres 44-47+30-32=74-78 (usually 46+30); dorsal fin rays 17-20, anal fin rays 16-19 (all present by about 20 mm); usually no hypobranchial pigment and little or no basibranchial pigment before 10 mm; compared with F. commersonii, more robust, notochord flexion and fin development begin at slightly smaller size. Pigmentation: Yolk-sac-postflexion: laterally on dentary; on lower margin of preopercle; on branchiostegal membrane; double row from tip of lower jaw along gular membrane and isthmus continuing along sides of gut; none to few on caudal finfold; on basibranchials and hypobranchials between 8-10 mm (usually none on hypobranchial before 10 mm); internally on hindbrain by 12 mm; on elongate central caudal fin rays by 12 mm; present or absent along anal fin base and on anal finfold after about 12 mm. Sequence of fin development: caudal, dorsal and anal, pectorals, pelvics.
Meristic characters
  max min mod Ref.
Total number of myomeres 78 74   36710
  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
Entered by: Luna,Susan M. - 04.12.00
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