Larvae Information Summary for  Bathycongrus macrurus
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Main Ref: Charter, S.R. 1996
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL        
Place of development planktonic
Larval area Ranges from Cabo San Lucas (Baja California, Sur) to Colombia
Yolk-sac       Ref:  
Yolk   Oil globules  
Post larvae
Striking feature  
Striking shape lateral   dorsal  
Striking feature  
Shape of gut tube-like
Gas bladder   early   late  
Spinal armature   early   late  
Leptocephalus larva; nephros at about myomere 48 (46-50); elongate body; crescentic pigment patches over and under eye; pointed tail. Pigmentation: crescentic patches over and below eye; 1-2 melanophores on operculum; 2 over heart; series midlaterally; paired series ventrally along gut; pigments on dorsal, caudal and anal fin bases. Sequence of fin development: caudal, dorsal, anal and pectoral.
Meristic characters
  max min mod Ref.
Total number of myomeres 148 135 141 35590
  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. - 13.09.00
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