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Larvae Information Summary for  Hemiramphus saltator
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Main Ref: Watson, W. 1996
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)     5 36576
Preanal L. % TL        
Place of development planktonic
Larval area California Current region
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail dorsal + lateral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Post larvae
Striking feature lower jaw strongly projecting
Striking shape lateral normal (not striking) dorsal  
Striking feature lower jaw strongly projecting
Shape of gut  
Gas bladder   early pigmented late pigmented
Spinal armature   early   late  
Pigmentation early
Rows on tail dorsal + lateral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail dorsal + lateral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early pigmented late pigmented
Pectorals normal with few scattered melanophores
Pelvics normal (i.e. small or absent) with melanophores
Myomeres usually 36-39 + 16-19 = 53-55; anal fin rays 11-13; anal fin ray 1 under dorsal fin 3-6 (usually 4-5); much lateral pigment, especially ventrolaterally and on tail. Notochord flexion occurs before hatching. Pigmentation: Larvae: heavy dorsally on head; on mandible and beak; on gill cover after about 7 mm; internally on and under brain; 2 longitudinal rows on dorsum from nape to caudal peduncle; internal series along notochord; laterally on trunk and tail; usually light dorsolaterally on trunk; heavy on upper half of gas bladder and gut, spreading ventrad; light on ventrum except heavy on gular area and along anal fin base; at end of dorsal fin, spreading over last 5-6 rays by about 11 mm; light on caudal fin rays, light on pectoral fins by about 11 mm. Juvenile: 7 bars; heavy on pelvic fins. Sequence of fin development: caudal, dorsal and anal and pectorals, pelvic.
Meristic characters
  max min mod Ref.
Total number of vertebrae 58 54   36576
  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. - 14.11.00
Modified by: Luna,Susan M. - 20.11.02
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