Larvae Information Summary for  Dorosoma petenense
( not available )

Main Ref: Jones, P.W., F.D. Martin and J.D. Hardy Jr. 1978
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL        
Place of development planktonic
Larval area Mid-Atlantic Bight
Yolk-sac       Ref:  
Yolk   Oil globules  
About 36 preanal myomeres; jawbones forming at 4.4 mm TL; choroid fissure noticeable up to 4.4 mm TL; anus far back on body.
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal tadpole-like
Striking feature none
Shape of gut  
Gas bladder   early   late  
Spinal armature   early no spines late no spines
Yolk is absorbed by the 3rd day. Anus located far back on body. Sequence of fin development: caudal fin rays at 5.2 mm TL; dorsal fin rays at 8.2 mm TL; anal fin rays at 11.0 mm TL.
Meristic characters
  max min mod Ref.
Total number of myomeres 40     39045
Preanal number of myomeres     36 39055
  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. - 20.06.01
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