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Larvae Information Summary for  Ichthyomyzon unicuspis
( 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 138 mm TL. Body proportions, as percentage of TL (based on 72 specimens measuring 73-138 mm TL): prebranchial length, 6.5-8.7; branchial length, 9.3-12.8; trunk length, 50.0-54.5; tail length, 26.2-32.6. Trunk myomeres, 48-54, with high modal counts of 51-53. Body coloration unrecorded. Extent of pigmentation (- = absence to trace; + = 1% to under 25%; ++ = 25% to under 75%; +++ = 75% or more): upper lip, ++ (100% of specimens); subocular, - (36%) or + (64%); upper branchial, ++ (97%) or +++ (3%); caudal fin, + (25%) or +++ (75%). Lateral line neuromasts unpigmented. Caudal fin shape, rounded. Metamorphosing ammocoetes: 91-155 mm TL.
  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 - 29.10.13
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