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Larvae Information Summary for  Fundulus parvipinnis
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Main Ref: Watson, W. 1996
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 6.8 5.6    
Preanal L. % TL        
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 none
Striking shape lateral normal (not striking) dorsal  
Striking feature none
Shape of gut triangular
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
Rows on tail ventral + lateral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Pectorals normal with few scattered melanophores
Pelvics normal (i.e. small or absent) without melanophores
Robust body; short dorsal and anal approximately opposite one another at midbody; caudal fin rounded, symmetrical; myomeres 8-11 + 24-26 = 36; prominent dorsal, ventral, and midlateral melanophore series, becoming somewhat obscured by heavy dorsolateral pigment after about 9-10 mm; irregularly barred pattern on juveniles. Notochord flexion occurs before hatching. Pigmentation: Larvae: heavy over mid- and hindbrain; light over forebrain and on snout; light on gill cover and dentary; upper half of head becoming heavily pigmented by about 8 mm; 2 rows along dorsal margin and ventral margin of tail; 1 row along lateral midline; dorsolaterally on trunk, spreading caudad and ventrad to cover upper half by 9 mm; ventrolaterally on tail after 9 mm; on and under brain; over and under vertebral column; on caudal, dorsal, and anal fins by about 8.5 mm, on pectoral fins by 10 mm; 0-few ventrally on gut. Juvenile: heavily pigmented dorsally and dorsolaterally, lighter ventrolaterally; irregular barred pattern, mainly on tail. Sequence of fin development: caudal, pectorals, anal, dorsal, pelvics.
Meristic characters
  max min mod Ref.
Total number of vertebrae 37 34   36572
  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. - 13.11.00
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