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Larvae Information Summary for  Alepocephalus tenebrosus
( not available )

Main Ref: Ambrose, D.A. 1996
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL        
Place of development planktonic
Larval area California Current region
Yolk-sac       Ref:  
Yolk   Oil globules  
Post larvae
Striking feature other
Striking shape lateral normal (not striking) dorsal  
Striking feature other
Shape of gut  
Gas bladder   early absent late absent
Spinal armature   early   late  
Melanophores on head + trunk melanophores on head + trunk
Peritoneum with row of melanophores
Pectorals normal melanophores at fin base
Pelvics normal (i.e. small or absent) melanophores at fin base
Anal fin origin subequal to dorsal fin origin; pectoral fin rays not elongate on specimens greater than 26 mm. Pigmentation: black tissue lining digestive tract from mouth and branchial chamber to anus; concentrated at body margin and spreading over entire body; entire top of skull translucent. Sequence of fin development: caudal, dorsal and anal, pelvics, pectorals.
Meristic characters
  max min mod Ref.
Total number of vertebrae 55 51   35724
  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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