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Larvae Information Summary for  Entosphenus macrostomus
( not available )

Main Ref: Renaud, C.B. 2011
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL        
Place of development  
Larval area Global
Yolk-sac       Ref:  
Yolk   Oil globules  
Post larvae
Striking feature  
Striking shape lateral   dorsal  
Striking feature  
Shape of gut  
Gas bladder   early   late  
Spinal armature   early   late  
Ammocoetes: max. size 17 cm TL; body proportions (percentage of TL based on 16 specimens size range unstated but presumed at 10-17 cm TL as this was the range given for the larger ammocoetes in the original description of the species): prebranchial length, 7.6-10.7; branchial length, 12.8-15.7; trunk length, 45.5-51.4; tail length, 28.3-33.1; trunk myomeres, mean of 66.1. Extent of pigmentation in ammocoetes: 75% or more on lower prebranchial, 25% to <75% on upper branchial and on caudal fin, none on lower branchial and tongue precursor bulb, none or <25% along elastic ridge of tongue precursor; caudal fin shape, spade-like or rounded.
  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: Hilomen,Teresa - 24.10.13
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