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Larvae Information Summary for  Champsocephalus gunnari
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Main Ref: North, A.W. and A. Kellermann 1990
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 15.3 12    
Preanal L. % TL        
Place of development planktonic
Larval area Atlantic Antarctic
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Post larvae
Striking feature teeth clearly visible
Striking shape lateral   dorsal  
Striking feature teeth clearly visible
Shape of gut triangular
Gas bladder   early   late  
Spinal armature   early   late  
Pigmentation early
Rows on tail dorsal + ventral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on trunk
Rows on tail dorsal + ventral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on trunk
Peritoneum with row of melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
Eyes circular, without ventral extension to the orbit; pectoral fin base not stalk-like; pectoral fin base normal and does not extend ventrally below mid-abdomen level; teeth obvious, small in pre-flexion larvae, long and canine-like in later larvae; small pelvic fin in early larvae; a single dorsal and ventral row of melanophores present. Larval pelagic phase is long (Ref. 71843).
  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. - 02.04.02
Modified by: Luna,Susan M. - 16.02.12
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