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Larvae Information Summary for  Nansenia candida
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Main Ref: Matarese, A.C., A.W. Kendall, D.M. Blood and M.V. Vinter 1989
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 4 3.5    
Preanal L. % TL        
Place of development planktonic
Larval area South of southern California to Gulf of Alaska, 54-60°N
Yolk-sac     pigmented Ref:  
Yolk segmented Oil globules one oil globule
Rows on tail no rows
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on trunk
Pigmentation: paired series between trunk and gut from pectoral fin base to midgut; above terminal section of gut; on anterior region of yolk sac.
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal  
Striking feature none
Shape of gut spherical or gut loop
Gas bladder   early   late  
Spinal armature   early no spines late no spines
Pigmentation early
Rows on tail no rows
Other melanophores on tail one dorso-ventral cluster or band
Melanophores on head + trunk melanophores on trunk
Pigmentation late
Rows on tail no rows
Other melanophores on tail one dorso-ventral cluster or band
Melanophores on head + trunk melanophores on trunk
Urostyle region   early unpigmented late unpigmented
Peritoneum with row of melanophores
Pectorals normal melanophores at fin base
Pelvics normal (i.e. small or absent) without melanophores
Transverse rugae lining gut only in posterior section, anteriorly an elongate s-shaped fold is present along with longitudinal rugae; gut fold unpigmented; paired melanophore series between trunk and gut; hypural pigment; dorsal and pelvic fin origins slightly posterior to midbody; rays form early in pectoral fin; guanine layer developing in late postflexion stage; fin rays form in finfold, away from body margin. Pigmentation: embedded pigment above gut; superficial head pigment (>8.4 mm SL); with development, embedded line of melanophores running length of body; conspicuous caudal pigment; ventral pigment from isthmus along anterior 2/3 of gut Sequence of fin development: pectorals, caudal, dorsal and anal, pelvics.
  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. - 25.01.00
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