FishBase
Larvae Information Summary for  Carapus dubius
( not available )

Main Ref: Ambrose, D.A. 1996
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 3      
Preanal L. % TL        
Place of development planktonic
Larval area Eastern Pacific (California Current region)
Yolk-sac ovoid     Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
There is a small appendage on the dorsal trunk.
Post larvae
Striking feature some dorsal fin rays very elongated
Striking shape lateral eel-like dorsal normal (not striking)
Striking feature some dorsal fin rays very elongated
Shape of gut spherical or gut loop
Gas bladder   early   late  
Spinal armature   early no spines late no spines
Pigmentation early
Rows on tail ventral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head
Rows on tail dorsal row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head
Pectorals normal without melanophores
Pelvics normal (i.e. small or absent)  
4 vertebrae to vexillum origin; about 18 anal fin rays to dorsal fin origin; about 37 dorsal fin rays to 31st vertebra; prevexillum length less than about 1.4x HL; vexillum well anteriad of first dorsal fin ray; maxilla free and movable; pigmentation absent from lower jaw and gular region; fine row along base of anal fin ray. Pigmentation: Preanal fin formation: by about 3 mm TL, over brain between eyes, under brain posterior to eyes, anteriodorsally on gut, and 2 ventrally near end of tail; by about 5.5 mm, on isthmus, vexillum, and ventrally on tail. Anal fin formation: 1 (minute) anterior to base of anal fin rays, on vexillum, a few specks dorsally near end of tail, one speck dorsally on fore and midbrain. Sequence of fin development: dorsal and anal, pectorals, caudal.
  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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