FishBase
Larvae Information Summary for  Mordacia mordax
( 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 in close association with substrate
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 151 mm TL; body proportions, as percentage of TL: 6.1-11.3 prebranchial length, 10.0-16.4 branchial length, 61.0-67.5 trunk length and 11.4-18.6 tail length; trunk myomeres, 82-93; extent of pigmentation: 1% to <25% on upper lip and lower prebranchial, 25% to <75% on upper prebranchial, 25% to more than 75% on upper branchial, 75% or more on subocular, and none on lower branchial and caudal fin; caudal fin shape, spade-like; distinct notch between confluent second dorsal and caudal fins. Metamorphosing ammocoetes: 120-150 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
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