Larvae Information Summary for  Cyema atrum
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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 northern California to Baja California Sur, Mexico
Yolk-sac       Ref:  
Yolk   Oil globules  
Post larvae
Striking feature  
Striking shape lateral short and/or deep dorsal  
Striking feature  
Shape of gut spherical or gut loop
Gas bladder   early   late  
Spinal armature   early   late  
Peritoneum with row of melanophores
Leptocephalus larva; nephros at about myomere 37 (35-40); compared with Leptocephalus holti, greater body depth (23-58% BL), relatively larger eye (13-26%), and scattered melanophores laterally. Pigmentation: individual blotches on dorsum; scaterred laterally; one on each gut loop peak; irregular ventrally on gut.
Meristic characters
  max min mod Ref.
Total number of myomeres 83 75 80 35598
  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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