FishBase
Larvae Information Summary for  Psychrolutes phrictus
( 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  
Striking shape lateral   dorsal  
Striking feature  
Shape of gut  
Gas bladder   early   late  
Spinal armature   early   late  
Pectoral fin rays 22-26; branchiostegal rays 7; first dorsal fin appears embedded in skin; second dorsal fin and anal fin partially covered by skin; loose outer skin; globose, deep body; prickles on skin from 7.2 mm to 50 mm; pelvic fin appears inserted in skin pocket; pelvic skin pockets present by at least 7.2 mm, but pelvic fin not visibly out of pocket until >9 mm; head spines lacking. Pigmentation: Preflexion: Covering head, trunk, and anterior 25% of tail. Flexion: Spreading posteriad on tail. Postflexion: On entire body except at end of tail, caudal fin and distally on pectoral fin, dorsal fin and anal fin. Sequence of fin development: pectoral fin, second dorsal fin and anal fin, caudal fin, first dorsal fin, pelvic fin.
  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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