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Larvae Information Summary for  Coryphaena hippurus
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Main Ref: Palko, B.J., G.L. Beardsley and W.J. Richards 1982
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)     3.95  
Preanal L. % TL        
Place of development planktonic
Larval area Northwestern Pacific (Japan, East China Sea)
Yolk-sac spherical   pigmented Ref:  
Yolk   Oil globules one oil globuleposteriorventralpigmented
Rows on tail no rows
Other melanophores on tail tail completely covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
The yolk-sac is large. The myotome number: 17 + 15 = 32. Only xanthophores were noted in the marginal fin, becoming faint 4 days after hatching. The chromatophores soon enlarge, approaching each other.
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal  
Striking feature none
Shape of gut elongated
Gas bladder   early   late  
Spinal armature   early opercular spines only late  
Pigmentation early
Rows on tail no rows
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Rows on tail no rows
Other melanophores on tail more than two dorso-ventral clusters or bands
Melanophores on head + trunk melanophores on head + trunk
Pectorals normal  
Pelvics normal (i.e. small or absent)  
The larvae feed mainly on crustaceans, the greater part of which are copepodes, especially members of the family Pontellidae.
  L 1st feeding Ref. Months of presence of larvae    Ref. 
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod     Sep Oct Nov Dec
Water parameters     Metric characters
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