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Larvae Information Summary for  Merluccius productus
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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)        
Preanal L. % TL        
Place of development planktonic
Larval area South of southern California to Bering Sea, 54-66°N
Yolk-sac       Ref:  
Yolk   Oil globules  
Post larvae
Striking feature  
Striking shape lateral   dorsal  
Striking feature  
Shape of gut  
Gas bladder   early   late  
Spinal armature   early   late  
Diagnostic characters: gadoid shape but absence of >1 distinct postanal pigment bar; two dorsal fins and one anal fin; specimens from Puget Sound and Straits of Georgia have pigmented pectoral rays. Pigment: (preflexion): one postanal bar, one large dendritic spot several myomeres posterior to anus; with development, bar becomes diffuse, postanal pigment increases, especially dorsolaterally; on head, crown, and snout; increasing with development; dorsolaterally on gut. Sequence of fin development: caudal, pelvics, 1st dorsal, 2nd dorsal and anal, pectorals.
  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
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