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Larvae Information Summary for  Entosphenus lethophagus
( 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 187 mm TL; body proportions, as percentage of TL (based on 12 specimens 92-187 mm TL): 6.1-8.0 prebranchial length, 9.4-1.5 branchial length, 48.0-52.7 trunk length, 27.7-34.6 tail length; trunk myomeres, 61-66. Pigmentation in ammocoetes (- = absence to trace; + = 1% to under 25%; ++ = 25% to under 75%; +++ = 75% or more): upper lip, ++ or +++; subocular, +++ (100% of specimens); lower prebranchial, +++ (100%); upper branchial, ++ (17%) or +++ (83%); caudal fin, + (8%) or ++ (42%) or +++ (50%); none on tongue precursor bulb; along elastic ridge of tongue precursor, ++; caudal fin shape, 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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