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Larvae Information Summary for  Lampetra planeri
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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 freshwater
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 177 mm TL. Body proportions, as percentage of TL (based on 23 specimens measuring 123-177 mm TL): prebranchial length, 7.0-8.2; branchial length, 9.0-11.6; trunk length, 50.3-55.2; tail length, 25.0-28.6. Trunk myomeres, 58-64. Body coloration, dorsal and upper lateral aspects brownish, lower lateral and ventral aspects lighter. Extent of pigmentation (- = absence to trace; + = 1% to under 25%; ++ = 25% to under 75%; +++ = 75% or more): upper lip, - (100% of specimens); subocular, - (percentage not known); lower prebranchial, - (72%) or + or ++ (14% each); upper branchial, + (95%) or ++ (5%); caudal fin, - (98%) or + (2%). Additionally, the lower lip and the ventral branchial region are both unpigmented (-). Lateral line neuromasts unpigmented. Caudal fin shape, spade-like. Metamorphosing ammocoetes: lengths unrecorded.
  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 - 31.10.13
Modified by: Luna,Susan M. - 21.09.16
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