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Larvae Information Summary for  Tylosurus crocodilus
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Main Ref: Jeyaseelan, M.J.P. 1998
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL        
Place of development planktonic
Larval area Northwestern Pacific (Japan)
Yolk-sac       Ref:  
Yolk   Oil globules  
Post larvae
Striking feature other
Striking shape lateral eel-like dorsal  
Striking feature other
Shape of gut  
Gas bladder   early   late  
Spinal armature   early   late  
Minimal elongation of the upper and lower jaws. Dorsal fin rays 22-24. Anal fin rays 19-22. Caudal fin round at first, becoming truncated and ultimately forked. A darkly pigmented small lateral keel present on the caudal peduncle in early juveniles.
  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
Entered by: Luna,Susan M. - 20.11.02
Modified by: Luna,Susan M. - 11.02.03
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