Larvae Information Summary for  Oligocottus snyderi
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Main Ref: Matarese, A.C., A.W. Kendall, D.M. Blood and M.V. Vinter 1989
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL        
Place of development planktonic
Larval area South of southern California to southeast Alaska, 55-59° N
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  
Diagnostic characters: patch of parietal spines; 10-12 spines develop along preopercular margin; 8-10 accessory spines form anteriorly at the bases of the preopercular spines; distinguished from O. maculosus by: bubble of skin interior to origin of dorsal finfold unpigmented and less obvious; ventral midline melanophores (<10). Pigment: head and nape very lightly pigmented; dorsolateral surface of gut; ventral midline series with <10 evenly spaced melanophores. Sequence of fin development: caudal, dorsal and anal rays, dorsal spines, pectorals, pelvics.
  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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